IT ENGLISH: Computer Hardware #1
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Questions and Answers

What is a primary characteristic distinguishing a minicomputer from a mainframe computer?

  • Minicomputers are exclusively used for personal applications.
  • Minicomputers have significantly larger storage capacity than mainframes.
  • Minicomputers typically require more physical space than mainframes.
  • Minicomputers are designed for smaller companies and departments of larger corporations. (correct)

In what scenario is a supercomputer primarily utilized?

  • For general business applications and office services.
  • For everyday personal computing tasks.
  • In research, space, military, and governmental applications. (correct)
  • As a cost-effective alternative to minicomputers.

Which of the following statements about minicomputers is accurate?

  • Minicomputers serve only as personal computers.
  • They offer the same functionality as mainframes but are more expensive.
  • Minicomputers have replaced all traditional mainframes in modern computing.
  • They can function as powerful communication servers for small to medium-sized companies. (correct)

What differentiates a supercomputer from other types of computers?

<p>Supercomputers are designed for heavy computational tasks in specific fields. (B)</p> Signup and view all the answers

What is the primary function of the Upper Memory Area in a computer's memory configuration?

<p>To provide a place for loading device drivers and extensions. (C)</p> Signup and view all the answers

Which of the following describes a common memory error type?

<p>Parity error. (B)</p> Signup and view all the answers

What is a common hardware limitation of memory systems?

<p>Limited read-write speeds compared to storage devices. (D)</p> Signup and view all the answers

Which memory management technique is primarily used to utilize extended memory effectively?

<p>Paging. (D)</p> Signup and view all the answers

Extended memory can be utilized for which of the following purposes in a computer system?

<p>Running programs in protected mode. (A)</p> Signup and view all the answers

Which memory testing tool is most useful for diagnosing issues related to random access memory (RAM)?

<p>MemTest86. (C)</p> Signup and view all the answers

What does the term 'volatile memory' refer to in the context of RAM?

<p>Memory that loses data when power is off. (A)</p> Signup and view all the answers

Which RAM type is known for its higher performance and stability in cache applications?

<p>Static RAM (SRAM). (D)</p> Signup and view all the answers

What is the primary purpose of enabling the internal cache on a motherboard?

<p>To improve data processing speed. (D)</p> Signup and view all the answers

Which memory error type is characterized by the inability to read or write data on a specific memory cell?

<p>Hard Error (D)</p> Signup and view all the answers

What limitation of memory affects the maximum amount of RAM that can be utilized by a computer system?

<p>Address Bus Width (B)</p> Signup and view all the answers

Which of the following memory management techniques optimizes the use of physical memory by mapping virtual addresses to physical addresses?

<p>Paging (A)</p> Signup and view all the answers

What is a characteristic of extended memory in computer systems?

<p>It is directly addressable by the CPU. (D)</p> Signup and view all the answers

How does a nonblocking cache differ from a traditional cache?

<p>It allows simultaneous read and write operations. (B)</p> Signup and view all the answers

Which caching write policy involves writing data to both the cache and the main memory simultaneously?

<p>Write-Through (A)</p> Signup and view all the answers

What is the main consequence of thrashing in memory management systems?

<p>Reduced effective memory utilization (D)</p> Signup and view all the answers

Which of the following is not a type of cache mapping?

<p>Randomized Mapping (C)</p> Signup and view all the answers

What is a common performance consideration when dealing with hardware limitations of memory?

<p>Bandwidth and latency of memory access (C)</p> Signup and view all the answers

What is the term for the range of addresses from $A0000$ to $FFFFF$ utilized primarily for video memory in PC architecture?

<p>Upper Memory Area (A)</p> Signup and view all the answers

What is a characteristic of the Upper Memory Area (UMA)?

<p>It allows for the loading of device drivers and system utilities. (D)</p> Signup and view all the answers

Which type of memory error typically occurs when data is inadvertently altered during transit between hardware components?

<p>Parity Error (D)</p> Signup and view all the answers

Which of the following describes a hardware limitation that may restrict the amount of directly usable memory in a system?

<p>Address Bus Width (A)</p> Signup and view all the answers

Which of the following types of memory errors relate to data read failures due to faults in the RAM chips?

<p>Single Bit Errors (B)</p> Signup and view all the answers

Which memory management technique involves temporarily transferring data from RAM to disk to free up system memory?

<p>Paging (D)</p> Signup and view all the answers

What is a common hardware limitation of memory that can affect system performance?

<p>Limited bus bandwidth. (B)</p> Signup and view all the answers

In what scenario would extended memory be utilized over conventional memory in a computer system?

<p>When more than 640 KB of RAM is needed (A)</p> Signup and view all the answers

Which memory management technique maximizes the use of available RAM by swapping inactive pages to disk?

<p>Paging (D)</p> Signup and view all the answers

Which component specifically manages memory allocation and deals with address mapping between physical and virtual memory?

<p>Memory Management Unit (MMU) (A)</p> Signup and view all the answers

In what scenario is extended memory primarily utilized?

<p>For running applications beyond conventional memory limits. (B)</p> Signup and view all the answers

What is a common symptom of memory fragmentation in a computer system?

<p>Slow application launches (A)</p> Signup and view all the answers

What occurs when a memory address is requested and that address is not mapped in the available memory range?

<p>Segmentation Fault (D)</p> Signup and view all the answers

Which of the following refers to a method of memory management that divides memory into variable-sized blocks?

<p>Segmentation (A)</p> Signup and view all the answers

Which type of memory allocation technique uses variable-sized blocks to avoid waste, but could lead to fragmentation?

<p>Dynamic Allocation (B)</p> Signup and view all the answers

What type of system resource conflict generally manifests when two devices attempt to use the same IRQ line?

<p>Interrupt Conflict (C)</p> Signup and view all the answers

What is a key limitation associated with DMA (Direct Memory Access)?

<p>Limited number of DMA channels. (C)</p> Signup and view all the answers

What is the maximum amount of extended memory supported in DOS systems, typically?

<p>2 GB (A)</p> Signup and view all the answers

Which of the following best describes caching in the context of memory management?

<p>Storing copies of frequently accessed data to reduce access time. (B)</p> Signup and view all the answers

When monitoring memory performance, which metric is most indicative of overall memory health?

<p>Cache Hit Ratio (B)</p> Signup and view all the answers

What aspect does the term 'volatile memory' primarily relate to?

<p>Memory that loses data when power is lost (C)</p> Signup and view all the answers

Which characteristic is unique to extended memory in a computer system?

<p>It allows larger amounts of RAM to be utilized beyond the conventional limit (B)</p> Signup and view all the answers

In memory management techniques, what role does the page replacement algorithm primarily fulfill?

<p>Determining which memory pages to swap out for new allocations (A)</p> Signup and view all the answers

What symptom might indicate memory fragmentation in a computing environment?

<p>Reduced available memory for new applications (D)</p> Signup and view all the answers

What limitation does Direct Memory Access (DMA) primarily impose?

<p>It can overwhelm the CPU with constant memory requests (C)</p> Signup and view all the answers

Which type of memory allocation technique is most prone to fragmentation?

<p>Best-fit allocation (B)</p> Signup and view all the answers

What is a common error associated with RAM that involves data being altered during transfer?

<p>Write cycle error (D)</p> Signup and view all the answers

What distinguishes a digital signal from an analog signal?

<p>Digital signals have only two specific values. (B)</p> Signup and view all the answers

How is the binary number system defined in relation to transistors?

<p>It matches the two states of the transistor. (D)</p> Signup and view all the answers

What role do transistors play in digital devices?

<p>They hold electrical charges that represent binary values. (B)</p> Signup and view all the answers

Which statement best describes the transition of a digital signal?

<p>The transition occurs instantly between two discrete values. (A)</p> Signup and view all the answers

What is the significance of the binary number system in computing?

<p>It enables computers to store and manipulate data using only two values. (A)</p> Signup and view all the answers

What is a primary function of surge suppressors in a PC setup?

<p>To prevent power surges from damaging components (C)</p> Signup and view all the answers

Which of the following scenarios is best addressed by using an Uninterruptible Power Supply (UPS)?

<p>Providing power during brownouts (D)</p> Signup and view all the answers

What type of power issue is characterized by short-term drops in voltage?

<p>Brownouts (C)</p> Signup and view all the answers

Which of the following describes the role of voltage regulation in power supply systems?

<p>To maintain a steady voltage level (B)</p> Signup and view all the answers

What preventative maintenance action is important for ensuring the longevity of hard disk drives?

<p>Regularly defragmenting the drive (C)</p> Signup and view all the answers

Which cleaning supply is often recommended for maintaining the internal components of a PC?

<p>Compressed air (C)</p> Signup and view all the answers

What is the effect of line noise on computer hardware?

<p>It can cause data corruption and errors (B)</p> Signup and view all the answers

What is commonly used to detect viruses in a computer system?

<p>Anti-virus software (C)</p> Signup and view all the answers

Which factor primarily influences the choice of backup power solutions for essential hardware?

<p>The power consumption of connected devices (D)</p> Signup and view all the answers

What distinguishes volatile memory from nonvolatile memory?

<p>Volatile memory requires a continuous power supply to retain data. (A)</p> Signup and view all the answers

Which type of RAM is known to be faster and more reliable for cache memory applications?

<p>Static RAM (SRAM) (A)</p> Signup and view all the answers

What function does the system case serve in a personal computer?

<p>To protect and manage the key electronic components (B)</p> Signup and view all the answers

Which component of a personal computer is primarily housed within the system case?

<p>Microprocessor (D)</p> Signup and view all the answers

Which technology enhances the performance of DRAM by allowing multiple data transfers within a single operation?

<p>DDR (Double Data Rate) (D)</p> Signup and view all the answers

What is the function of parity memory?

<p>To provide error detection using extra bits. (B)</p> Signup and view all the answers

How does the design of personal computer components contribute to user functions?

<p>By optimizing the interactions of various parts to fulfill user needs (A)</p> Signup and view all the answers

What is the role of the motherboard in a personal computer?

<p>To hold essential electronic components and facilitate their communication (B)</p> Signup and view all the answers

Which memory area is primarily utilized for high-level graphics in a computer system?

<p>Upper Memory Area (UMA) (D)</p> Signup and view all the answers

What might indicate that memory fragmentation is affecting system performance?

<p>Increased time for memory access and allocation. (C)</p> Signup and view all the answers

Why is it important for the system case to include ventilation features?

<p>To prevent overheating of internal components (C)</p> Signup and view all the answers

Which type of RAM is commonly used for video graphics and has faster access speeds than standard RAM?

<p>Video RAM (VRAM) (C)</p> Signup and view all the answers

What aspect of personal computers has required significant engineering efforts over the years?

<p>The way components work together to perform tasks (B)</p> Signup and view all the answers

Which memory testing tool is best suited for identifying errors in RAM?

<p>Memory Diagnostic Tools (B)</p> Signup and view all the answers

Which statement accurately describes the significance of using a system case?

<p>It influences both the electrical and cooling systems of the computer. (A)</p> Signup and view all the answers

What does the term 'digital systems and sound' refer to within personal computers?

<p>The interaction of software and hardware for audio playback (C)</p> Signup and view all the answers

What is the primary role of cache memory in a computer system?

<p>To expedite data access from slower main memory. (C)</p> Signup and view all the answers

Which statement accurately describes the function of CMOS memory?

<p>It retains data even when the system is powered off. (D)</p> Signup and view all the answers

Which of the following is a key electronic component typically located on the motherboard?

<p>Memory (B)</p> Signup and view all the answers

What consists of thousands of interacting parts coordinated in a personal computer?

<p>Hardware components (B)</p> Signup and view all the answers

Which display technology uses a liquid crystal solution sandwiched between polarizing filters?

<p>Liquid Crystal Display (LCD) (A)</p> Signup and view all the answers

What is a key characteristic of dot pitch in monitor technology?

<p>It refers to the distance between colored dots on a display. (B)</p> Signup and view all the answers

In terms of monitor maintenance, what does degaussing achieve?

<p>It eliminates residual magnetic fields. (B)</p> Signup and view all the answers

What type of printer technology uses a moving print head that strikes an ink-soaked cloth against the paper?

<p>Dot Matrix Printer (D)</p> Signup and view all the answers

Which display type provides better viewing angles by using a diffuse reflective technique?

<p>LCD (C)</p> Signup and view all the answers

What typically characterizes the refresh rate of a display?

<p>How often the display can change what is being shown. (C)</p> Signup and view all the answers

What is a primary environmental consideration related to monitor use?

<p>Disposal and recycling of electronic waste. (B)</p> Signup and view all the answers

What is the primary function of the system case in a personal computer?

<p>To protect and provide structure for electronic components and assist in cooling (C)</p> Signup and view all the answers

Which of the following components is NOT typically housed within the system case?

<p>Peripheral devices like a keyboard (A)</p> Signup and view all the answers

What does the motherboard primarily hold in a personal computer?

<p>Microprocessor, memory, ROM, and most other electronic components (C)</p> Signup and view all the answers

What is a significant factor contributing to how well a personal computer's components function together?

<p>The accumulated engineering expertise over the years (C)</p> Signup and view all the answers

Which of the following statements is false regarding the components of a personal computer?

<p>All parts of a computer must be perfectly matched to work together. (A)</p> Signup and view all the answers

What is a common protective device used to safeguard against power surges?

<p>Surge suppressor (B)</p> Signup and view all the answers

Which of the following describes a temporary drop in voltage in an electrical power supply?

<p>Brownout (B)</p> Signup and view all the answers

What type of electrical issue is characterized by an increase in voltage for a short period of time?

<p>Power spike (A)</p> Signup and view all the answers

Which method helps protect modems and networks from electrical disturbances?

<p>Surge protectors (A)</p> Signup and view all the answers

What does electrical power maintenance primarily aim to address?

<p>Electrical reliability (C)</p> Signup and view all the answers

What should be done to maintain hard disk drives effectively?

<p>Regular defragmentation (A)</p> Signup and view all the answers

What type of protection device provides backup power during an outage?

<p>Uninterruptible Power Supply (UPS) (D)</p> Signup and view all the answers

Which of the following issues is most likely to cause data loss during a power outage?

<p>Brownout (C)</p> Signup and view all the answers

Which type of hardware failure is often caused by sustained exposure to electrical surges?

<p>Component burnout (A)</p> Signup and view all the answers

What is the primary function of microprocessors in a computer system?

<p>To perform calculations and process data (A)</p> Signup and view all the answers

Which of the following describes the process of storing data in a byte?

<p>Dividing data into bits and allocating space (B)</p> Signup and view all the answers

What is the significance of converting decimal to binary in computing?

<p>It aligns data with the binary logic used by computers. (C)</p> Signup and view all the answers

Which term describes the building blocks of electronics used in PCs?

<p>Transistors and integrated circuits (B)</p> Signup and view all the answers

What is the primary purpose of electricity in a PC?

<p>To power the internal components (A)</p> Signup and view all the answers

Which of the following best describes digital versus analog computing?

<p>Digital computing is more accurate and precise. (A)</p> Signup and view all the answers

What might be the consequence of external power issues in a computer system?

<p>Data loss or corruption (C)</p> Signup and view all the answers

In binary logic operations, what are two-state logic systems characterized by?

<p>Clear differentiation between two values (B)</p> Signup and view all the answers

Which number system is primarily utilized when working with having a base of 16?

<p>Hexadecimal (A)</p> Signup and view all the answers

What is a common characteristic of conductors, insulators, and semiconductors?

<p>They dictate the flow of electricity. (D)</p> Signup and view all the answers

Which type of RAM is typically used in situations where speed is critical, such as in cache memory applications?

<p>Static RAM (SRAM) (D)</p> Signup and view all the answers

What defines volatile memory in the context of RAM?

<p>Data is lost when the power is turned off (B)</p> Signup and view all the answers

What is the primary function of cache memory in a computer system?

<p>To improve processing speeds by storing frequently accessed data (C)</p> Signup and view all the answers

Which of these memory types is specifically designed for graphical data processing?

<p>Video RAM (VRAM) (D)</p> Signup and view all the answers

What is the term used for the method of memory management that swaps inactive pages from RAM to a disk?

<p>Paging (B)</p> Signup and view all the answers

Which type of memory is characterized by its ability to store data temporarily while the device is powered on?

<p>Volatile Memory (C)</p> Signup and view all the answers

In terms of memory speed and functionality, what is the key difference between SRAM and DRAM?

<p>SRAM retains data without needing to refresh, unlike DRAM (D)</p> Signup and view all the answers

What type of memory error is typically associated with parity memory?

<p>Soft errors (B)</p> Signup and view all the answers

What is the function of the Upper Memory Area in a computer's memory configuration?

<p>To provide space for additional hardware drivers and applications (C)</p> Signup and view all the answers

Which of the following best describes the process of configuring the PC for memory?

<p>Ensuring that memory modules are compatible with the motherboard (C)</p> Signup and view all the answers

Which event marked the introduction of the first commercially available integrated circuit?

<p>1961 (D)</p> Signup and view all the answers

What significant milestone in personal computer history is associated with the year 1979?

<p>Launch of VisiCalc, the first killer application (B)</p> Signup and view all the answers

Which of the following computers was introduced in 1981 and featured PC DOS (MS-DOS) 1.0?

<p>IBM 5150 PC (D)</p> Signup and view all the answers

What innovation did the introduction of the Apple Macintosh computer in 1984 contribute to the personal computer market?

<p>Advancement in graphical user interface technology (C)</p> Signup and view all the answers

Which year did Intel launch the 8086 microprocessor, marking a pivotal advance in personal computing?

<p>1978 (D)</p> Signup and view all the answers

Which video display technology relies on a phosphorescent coating to create images?

<p>Cathode Ray Tube (CRT) (B)</p> Signup and view all the answers

What is the primary factor affecting the clarity of an image produced by a CRT?

<p>Dot Pitch (A)</p> Signup and view all the answers

Which statement best describes the function of a refresh rate in display technology?

<p>It signifies the frequency at which the display is updated. (A)</p> Signup and view all the answers

Which type of printer is characterized by the use of a print ribbon to transfer ink onto paper?

<p>Dot Matrix Printer (B)</p> Signup and view all the answers

What distinguishes an LCD monitor's viewing angle from other display technologies?

<p>LCD monitors exhibit significant color distortion at extreme angles. (D)</p> Signup and view all the answers

What is a common environmental concern associated with older CRT monitors?

<p>Heavy metal disposal issues. (D)</p> Signup and view all the answers

Which advancement primarily contributed to the versatility of pen-based systems?

<p>Touch-sensitive technology. (A)</p> Signup and view all the answers

What type of memory is specifically designed to be non-volatile and retains data even when power is removed?

<p>EPROM (A)</p> Signup and view all the answers

Which process refers to initializing all hardware components and validating their functionality during the startup of a computer?

<p>POST Process (A)</p> Signup and view all the answers

Which type of BIOS chip can be rewritten by the user for updates or changes to the firmware?

<p>Flash ROM (B), EEPROM (D)</p> Signup and view all the answers

What is the main role of the BIOS during the boot process of a computer?

<p>Loading the operating system kernel (B)</p> Signup and view all the answers

Which component of a computer primarily interacts with the CPU to manage data flow to and from the memory?

<p>Memory Controller (A), North Bridge (D)</p> Signup and view all the answers

What is the purpose of the Boot Block in the context of BIOS functions?

<p>Recovery of corrupted BIOS (D)</p> Signup and view all the answers

Which of the following is NOT a type of programmable memory found in computer systems?

<p>Static RAM (C)</p> Signup and view all the answers

Which bus architecture primarily handles data movement within a computer's internal components?

<p>Data Bus (A)</p> Signup and view all the answers

What configuration setting in the BIOS would allow a user to change the order in which the system looks for boot devices?

<p>Boot Sequence (D)</p> Signup and view all the answers

Which type of electrical issue is characterized by a temporary drop in voltage?

<p>Brownout (B)</p> Signup and view all the answers

What device is most effective in providing temporary power during outages?

<p>Uninterruptible Power Supply (UPS) (D)</p> Signup and view all the answers

Which of the following memory types is specifically designed to be erased electrically and reprogrammed?

<p>EEPROM (D)</p> Signup and view all the answers

Which of the following is NOT a type of surge protection?

<p>Electrical Grounding (B)</p> Signup and view all the answers

Identifying issues related to what component is crucial for maintaining system functionality in PC hardware?

<p>Hard Disk Drive (A)</p> Signup and view all the answers

What is a common result of power surges that can affect computer components?

<p>Permanent Component Damage (C)</p> Signup and view all the answers

What is the primary function of a line conditioner in a PC network?

<p>To regulate voltage levels (D)</p> Signup and view all the answers

Which preventive measure is least effective against data loss due to power issues?

<p>Frequent Software Updates (D)</p> Signup and view all the answers

What type of environmental issue can impact the longevity of computer hardware?

<p>Excessive Humidity (A)</p> Signup and view all the answers

What should be regularly monitored to detect potential electrical problems in a PC system?

<p>Power Supply Voltage (B)</p> Signup and view all the answers

What component in a video card is responsible for processing video data?

<p>Video Processor (D)</p> Signup and view all the answers

Which phase in video card operations is primarily concerned with preparing the 3D scene for rendering?

<p>Setup Phase (D)</p> Signup and view all the answers

In reference to video cards, what does 'aspect ratio' primarily determine?

<p>The dimensions of the video output (D)</p> Signup and view all the answers

What is a key function of Direct Memory Access (DMA) in video cards?

<p>To allow the GPU to access the system memory directly (C)</p> Signup and view all the answers

Which of the following best describes the purpose of color depth in video cards?

<p>It indicates the number of colors a pixel can display (A)</p> Signup and view all the answers

What is the main difference between 2D and 3D graphic data in video card processing?

<p>3D graphics involve rendering perspectives and depth (B)</p> Signup and view all the answers

Which standard determinant of video cards directly influences compatibility with monitors?

<p>Connector Type (D)</p> Signup and view all the answers

What is a likely consequence of a choke point in video card operations?

<p>Reduced frame rates (A)</p> Signup and view all the answers

Which resource is crucial for resolving conflicts with Plug-and-Play devices in Windows?

<p>Interrupt Requests (IRQs) (A)</p> Signup and view all the answers

What role does the video memory play in the functionality of a video card?

<p>It stores textures and frame buffers for quick access. (D)</p> Signup and view all the answers

What role does firmware play in hardware functionality?

<p>Enables hardware to interact with software effectively (A)</p> Signup and view all the answers

Which cooling solution is most effective for high-performance hardware?

<p>Liquid cooling systems (D)</p> Signup and view all the answers

What is the primary purpose of understanding RAID configurations?

<p>To provide redundancy and improve data access speed (B)</p> Signup and view all the answers

Which of the following accurately describes the function of a Network Interface Card (NIC)?

<p>Facilitates communication over a network (C)</p> Signup and view all the answers

Which chipset characteristic significantly affects system performance?

<p>The speed of data bus connections (B)</p> Signup and view all the answers

What is a critical impact of hardware latency during communication?

<p>Increased response time for applications (D)</p> Signup and view all the answers

Which bus architecture allows for the highest data transfer speeds available to consumers?

<p>PCI Express (PCIe) (C)</p> Signup and view all the answers

What is the primary purpose of heat sinks in high-performance hardware?

<p>To dissipate heat from components effectively (D)</p> Signup and view all the answers

Which of the following memory types is characterized by its non-volatility and is often used for long-term data storage?

<p>Flash Memory (B)</p> Signup and view all the answers

What is the primary function of error-correcting code (ECC) memory in computing systems?

<p>Detect and correct memory errors (A)</p> Signup and view all the answers

In virtual memory systems, what mechanism is typically used to manage the transition of data between RAM and disk storage?

<p>Page Replacement Algorithm (D)</p> Signup and view all the answers

Which of the following is a common consequence of memory fragmentation in a computer system?

<p>Reduced memory capacity (A)</p> Signup and view all the answers

Which memory management strategy involves periodically checking and releasing unused memory blocks to optimize RAM utilization?

<p>Garbage Collection (C)</p> Signup and view all the answers

What is a crucial performance metric to assess the efficiency of memory in a computer system?

<p>Memory Latency (B)</p> Signup and view all the answers

How does cache memory enhance the overall performance of a computing system?

<p>By providing a faster data retrieval option (A)</p> Signup and view all the answers

Which type of memory is typically used for temporary storage and can be altered quickly, but loses its contents when power is off?

<p>Dynamic RAM (DRAM) (A)</p> Signup and view all the answers

What aspect of memory management is primarily concerned with the efficient allocation of physical memory resources?

<p>Memory Hierarchy (B)</p> Signup and view all the answers

What is one key advantage of using NVMe over traditional SATA interfaces?

<p>It supports more I/O operations per second. (D)</p> Signup and view all the answers

What is the primary function of a cooling solution in high-performance hardware?

<p>To maintain optimal operating temperatures and prevent thermal throttling. (B)</p> Signup and view all the answers

Which bus architecture primarily supports high-speed data transfer in modern computers?

<p>PCIe (D)</p> Signup and view all the answers

What is the main purpose of using RAID configurations in storage systems?

<p>To enhance data redundancy and improve reliability. (C)</p> Signup and view all the answers

In terms of hardware compatibility, which aspect is most critical when upgrading components?

<p>The power supply wattage and connectors. (B)</p> Signup and view all the answers

What aspect does firmware primarily influence in hardware functionality?

<p>Low-level control and operations of the hardware. (A)</p> Signup and view all the answers

Which technology is primarily used to enhance the performance of programmable hardware devices?

<p>FPGAs (Field-Programmable Gate Arrays) (B)</p> Signup and view all the answers

What role do hardware security modules (HSMs) play in cryptography?

<p>They provide a secure environment for key management and cryptographic operations. (B)</p> Signup and view all the answers

What is the primary function of Error-Correcting Code (ECC) memory?

<p>To detect and correct single-bit errors in memory (C)</p> Signup and view all the answers

Which memory management technique is especially useful in optimizing shared memory in multi-processing environments?

<p>Paging (A)</p> Signup and view all the answers

What impact does memory bandwidth have on system performance?

<p>It determines how many simultaneous operations can occur on memory (D)</p> Signup and view all the answers

Which factor is most critical in evaluating memory access patterns for optimization?

<p>The distribution and frequency of memory requests (D)</p> Signup and view all the answers

Which characteristic distinguishes static memory from dynamic memory?

<p>Static memory retains data bits without refreshing (A)</p> Signup and view all the answers

Which of the following is a challenge associated with memory fragmentation?

<p>Wasted space due to small unusable segments (D)</p> Signup and view all the answers

Which type of non-volatile memory technology primarily allows for faster read and write operations compared to conventional storage?

<p>Solid State Drives (SSDs) (B)</p> Signup and view all the answers

What is a significant benefit of implementing memory compression techniques?

<p>It increases the available memory capacity at the cost of performance (B)</p> Signup and view all the answers

Which of the following is a primary function of virtual memory systems?

<p>To allow applications to exceed the physical memory limitations (B)</p> Signup and view all the answers

What is the primary function of NVMe in computing systems?

<p>To facilitate high-speed data transfer between the CPU and storage devices (A)</p> Signup and view all the answers

Which of the following is NOT a commonly used form factor for motherboards?

<p>UltraATX (D)</p> Signup and view all the answers

What is the primary role of firmware in hardware functionality?

<p>To provide low-level control and runtime instructions for hardware (C)</p> Signup and view all the answers

Which bus architecture offers the highest data transfer speeds among the given options?

<p>PCIe (A)</p> Signup and view all the answers

What is a key benefit of using RAID configurations in data storage?

<p>Enhanced data redundancy and performance (C)</p> Signup and view all the answers

Which component is primarily responsible for ensuring thermal regulation in high-performance hardware systems?

<p>Cooler fan specifically designed for CPU (A)</p> Signup and view all the answers

Which technology is essential for establishing network connectivity in modern computing systems?

<p>Network Interface Cards (NICs) (B)</p> Signup and view all the answers

What is one primary characteristic of heat sinks in computer hardware?

<p>They dissipate excess heat away from critical components (D)</p> Signup and view all the answers

What is the primary difference between RAM and ROM in a computing context?

<p>RAM can be written to and erased easily, while ROM is more permanent. (C)</p> Signup and view all the answers

Which type of memory management technique allows the system to handle more data than physically available RAM?

<p>Paging (A)</p> Signup and view all the answers

Which aspect of memory management specifically aims to reduce the frequency of page faults?

<p>Cache memory (B)</p> Signup and view all the answers

In which scenario is dynamic memory allocation primarily utilized?

<p>When developing applications requiring flexible memory usage at runtime (A)</p> Signup and view all the answers

What is a common issue that arises from memory fragmentation?

<p>Inability to allocate large continuous blocks of memory (C)</p> Signup and view all the answers

Which term describes the temporary storage space in RAM used to store frequently accessed information for quick retrieval?

<p>Cache (C)</p> Signup and view all the answers

What does ECC stand for, and why is it important in memory systems?

<p>Error Correcting Code; it detects and corrects data corruption. (B)</p> Signup and view all the answers

Which characteristic distinguishes static RAM (SRAM) from dynamic RAM (DRAM)?

<p>SRAM retains data as long as power is supplied without needing refresh cycles. (B)</p> Signup and view all the answers

Which memory allocation strategy can lead to memory leaks in a program?

<p>Manual allocation without proper release (B)</p> Signup and view all the answers

Which component is primarily responsible for processing inputs in a computer system?

<p>Central Processing Unit (CPU) (B)</p> Signup and view all the answers

What is the main function of an input device?

<p>To convert data into a format acceptable by the computer (B)</p> Signup and view all the answers

Which of the following is NOT considered an input device?

<p>Monitor (B)</p> Signup and view all the answers

How does a trackball differ from a mouse?

<p>It remains stationary while the user moves the ball (B)</p> Signup and view all the answers

What is one feature of the keyboard in modern computers?

<p>It can connect using Bluetooth (B)</p> Signup and view all the answers

Which input device allows a user to scan images or documents?

<p>Scanner (D)</p> Signup and view all the answers

What action does a mouse perform when its functional keys are used?

<p>Selecting an object or opening a file (C)</p> Signup and view all the answers

What type of input device typically has 104 keys and includes function keys?

<p>Keyboard (B)</p> Signup and view all the answers

What is a common feature of a mouse that impacts cursor control?

<p>It contains a sensor to notify speed (B)</p> Signup and view all the answers

What is the primary role of input devices in computer operation?

<p>To help users input data into the computer (B)</p> Signup and view all the answers

What is the main function of a microphone in a computer system?

<p>To record and convert voice into electrical signals (A)</p> Signup and view all the answers

Which of the following statements best describes the storage capacity of a standard DVD?

<p>Up to 4.7 GB (D)</p> Signup and view all the answers

What device is used to read alphanumeric characters from printed material?

<p>Optical Character Reader (C)</p> Signup and view all the answers

Which component of the computer is known as the 'heart' of the computer?

<p>CPU (Central Processing Unit) (C)</p> Signup and view all the answers

What is the primary purpose of a cooling fan in a computer system?

<p>To cool down the internal components and prevent overheating (C)</p> Signup and view all the answers

What is the characteristic feature of RAM (Random Access Memory)?

<p>It is a volatile memory that loses data when the power is off (C)</p> Signup and view all the answers

Which of the following devices is primarily responsible for providing electrical power to the computer's components?

<p>Power Supply (A)</p> Signup and view all the answers

What does the Optical Character Reader use to detect characters on paper?

<p>Low-frequency light source (D)</p> Signup and view all the answers

What is a key feature distinguishing a hard disk from other storage devices?

<p>It utilizes a magnetic surface for data storage (D)</p> Signup and view all the answers

Which of the following best describes the function of the motherboard in a computer?

<p>It holds and connects all major electronic components (A)</p> Signup and view all the answers

Which device is primarily responsible for allowing the user to input data into the computer?

<p>Keyboard (C)</p> Signup and view all the answers

What is the primary function of a mouse within computer hardware?

<p>To control the cursor on the screen (A)</p> Signup and view all the answers

Which input device is similar to an upside-down mouse and requires less space for movement?

<p>Track Ball (A)</p> Signup and view all the answers

What is a key characteristic of input devices utilized in computers?

<p>They convert user input into a computer-acceptable format. (B)</p> Signup and view all the answers

How does a scanner function in relation to input devices?

<p>It scans documents and converts them into digital data. (B)</p> Signup and view all the answers

What is the primary purpose of a keyboard in computer hardware?

<p>To input data and commands via typing. (B)</p> Signup and view all the answers

Which of the following statements about trackballs is NOT accurate?

<p>Trackballs require extensive desk space to operate efficiently. (D)</p> Signup and view all the answers

Which of the following devices does NOT serve as an input method for a computer?

<p>Monitor (D)</p> Signup and view all the answers

Which component among the following is essential for processing the input data received from input devices?

<p>Central Processing Unit (CPU) (C)</p> Signup and view all the answers

What is a distinct feature of input devices used in computers?

<p>They vary in function, including capturing images and typing text. (C)</p> Signup and view all the answers

What is the primary function of an Optical Character Reader (OCR)?

<p>To convert alphanumeric characters from paper into digital data (B)</p> Signup and view all the answers

Which of the following statements best describes the storage capacity of a standard CD?

<p>Up to 600 MB to 700 MB of data (B)</p> Signup and view all the answers

What role does the CPU play in the computer system?

<p>Processing and executing instructions through its control unit and ALU (C)</p> Signup and view all the answers

Which component is primarily responsible for preventing overheating in a computer system?

<p>Cooling Fan (C)</p> Signup and view all the answers

What is the purpose of a Microphone in a computer system?

<p>To record human speech and convert it into electrical signals (C)</p> Signup and view all the answers

Which characteristic distinguishes a DVD from a CD?

<p>DVDs can come in single and dual-layer formats (B)</p> Signup and view all the answers

In what way does a Bar Code Reader operate?

<p>By scanning bar codes and converting them into electric pulses (B)</p> Signup and view all the answers

What is the function of Random Access Memory (RAM)?

<p>To store data temporarily during processing tasks (A)</p> Signup and view all the answers

How does a Hard Disk function as a storage device?

<p>By magnetically coating discs to store digital data (C)</p> Signup and view all the answers

Which component connects most electronic parts of a computer together?

<p>Motherboard (C)</p> Signup and view all the answers

What is the main function of a computer case?

<p>To house and protect internal components (B)</p> Signup and view all the answers

Which component is primarily responsible for connecting other parts of a computer?

<p>The motherboard (B)</p> Signup and view all the answers

What is the maximum output power for a standard USB port?

<p>2.5 watts (B)</p> Signup and view all the answers

What is a significant environmental concern regarding e-waste?

<p>It contains hazardous materials that may leach into the environment (B)</p> Signup and view all the answers

What does 'e-cycling' primarily involve?

<p>The donation and refurbishment of used electronics (D)</p> Signup and view all the answers

Which component can be commonly recycled and reused when disposing of a computer?

<p>Removable parts like RAM and hard drives (B)</p> Signup and view all the answers

Which of the following items is classified as 'e-cyclable'?

<p>Televisions (D)</p> Signup and view all the answers

What role do expansion cards serve in a computer system?

<p>To add or enhance functionalities not provided by the motherboard (C)</p> Signup and view all the answers

Which act is notably designed to enforce sustainable disposal of electronic appliances in the United States?

<p>National Computer Recycling Act (B)</p> Signup and view all the answers

What toxic materials are commonly found in the central processing unit (CPU)?

<p>Lead and cadmium (C)</p> Signup and view all the answers

What is a characteristic concern regarding the rising performance of chips?

<p>Higher energy consumption and cooling demands (B)</p> Signup and view all the answers

What is a primary environmental benefit of recycling computer hardware?

<p>It minimizes the generation of heavy metals and carcinogens (D)</p> Signup and view all the answers

Which of the following is NOT typically a consequence of improper disposal of electronic waste?

<p>Reduced air pollution (C)</p> Signup and view all the answers

Which organization is known for recycling and refurbishing old computers for educational institutions?

<p>Computer Aid International (B)</p> Signup and view all the answers

What does recycling computer parts help to reduce?

<p>Costs of constructing new systems (B)</p> Signup and view all the answers

What is a significant risk associated with lead-tin solders in circuit boards?

<p>They can leach into groundwater (C)</p> Signup and view all the answers

What is primarily defined by the term 'e-waste'?

<p>Used or discarded electronic equipment (C)</p> Signup and view all the answers

What is the purpose of the Waste Electrical and Electronic Equipment Directive in the European Union?

<p>To encourage sustainable disposal of appliances (D)</p> Signup and view all the answers

Which early computing device was designed by Blaise Pascal?

<p>The gear-based adding machine (D)</p> Signup and view all the answers

Which of the following is NOT typically considered an 'e-cyclable' item?

<p>Kitchen utensils (C)</p> Signup and view all the answers

What is the primary function of the storage of computer programs in modern computers?

<p>To connect hardware and software (B)</p> Signup and view all the answers

Which companies are mentioned as participating in the recycling of old computers?

<p>Dell and Apple (B)</p> Signup and view all the answers

Which component is NOT typically considered part of computer hardware?

<p>Operating System (D)</p> Signup and view all the answers

What is the main issue caused by the von Neumann architecture's single bus design?

<p>It creates a performance bottleneck when accessing memory. (A)</p> Signup and view all the answers

What mathematical system did George Boole invent?

<p>Boolean algebra (C)</p> Signup and view all the answers

Which architecture emphasizes a smaller, more efficient instruction set to simplify processing?

<p>RISC (A)</p> Signup and view all the answers

What was a major limitation of Leibniz's stepped reckoner?

<p>Design flaws hindered its functionality (A)</p> Signup and view all the answers

Which cooling method is typically associated with modern data centers to maintain a safe operating temperature?

<p>Direct-to-chip liquid cooling (B)</p> Signup and view all the answers

Which of the following statements about hardware and software is accurate?

<p>Software relies on hardware to execute commands. (C)</p> Signup and view all the answers

What key aspect of computer architecture must a designer prioritize to remain competitive in the market?

<p>Cost and performance balance (A)</p> Signup and view all the answers

What type of early computer element was characterized by punch cards for input and output?

<p>Difference engine (A)</p> Signup and view all the answers

What significant challenge does excessive heat present to computer processors?

<p>It can trigger automatic throttling of performance. (C)</p> Signup and view all the answers

Which mathematician is associated with the universal Turing machine concept?

<p>Alan Turing (C)</p> Signup and view all the answers

Which type of parallelism involves executing the same function across multiple datasets simultaneously?

<p>Data parallelism (D)</p> Signup and view all the answers

What was an essential characteristic of the devices designed by early mathematicians like Babbage and Pascal?

<p>They operated with mechanical parts and gears. (B)</p> Signup and view all the answers

Which aspect of computing has led to a marked decrease in memory component costs over time?

<p>Quality assurance improvements (C)</p> Signup and view all the answers

What is a key characteristic that distinguishes hardware from software?

<p>Hardware is rigid and not easily altered. (C)</p> Signup and view all the answers

What is the primary benefit of separating data from program memory in modern computing?

<p>Reduction of potential security risks (C)</p> Signup and view all the answers

How does the introduction of RISC architecture in the 1980s primarily affect CISC architecture?

<p>It led to widespread adoption in power-sensitive applications. (D)</p> Signup and view all the answers

What common effect does overclocking have on computer hardware?

<p>It temporarily elevates performance levels. (B)</p> Signup and view all the answers

What is a significant problem associated with the von Neumann architecture?

<p>It creates a bottleneck due to shared memory for programs and data. (B)</p> Signup and view all the answers

Which of the following best describes the RISC architecture?

<p>It minimizes the instruction set for added simplicity. (B)</p> Signup and view all the answers

How does microarchitecture relate to computer organization?

<p>It focuses on hardware design aspects like CPU and memory. (D)</p> Signup and view all the answers

What occurs when a computer processor gets too hot?

<p>The processor may throttle performance or shut down. (A)</p> Signup and view all the answers

Which instruction set architecture focuses on reducing the number of cycles per instruction?

<p>RISC (A)</p> Signup and view all the answers

What is typically the main consequence of the von Neumann architecture's bottleneck?

<p>Throttled system performance when accessing memory. (C)</p> Signup and view all the answers

Which parallelism technique allows different tasks to be executed at the same time?

<p>Thread-level parallelism (C)</p> Signup and view all the answers

What aspect of memory hierarchy ensures that faster, more expensive memory is near the CPU?

<p>Memory proximity design (A)</p> Signup and view all the answers

Which type of cooling system is often more efficient in data centers compared to air-cooled systems?

<p>Liquid-cooled immersion systems (D)</p> Signup and view all the answers

What is the effect of overclocking on computer performance?

<p>It enhances performance only when the computer is not hot. (D)</p> Signup and view all the answers

What is the main concern in the design of embedded systems?

<p>Selecting the cheapest option that meets performance requirements (C)</p> Signup and view all the answers

How do computer cases contribute to hardware functionality?

<p>They prevent electromagnetic interference and manage airflow (A)</p> Signup and view all the answers

What type of interface do modern computers primarily use to connect peripheral devices?

<p>Universal Serial Bus (USB) (C)</p> Signup and view all the answers

Which material found in computer hardware poses environmental hazards when disposed of improperly?

<p>Lead (C)</p> Signup and view all the answers

What is the typical voltage that most personal computer power supply units convert from AC to DC?

<p>120, 5, or 3.3 volts (D)</p> Signup and view all the answers

What is a common health issue associated with exposure to hazardous materials in computer components?

<p>Impaired mental development (B)</p> Signup and view all the answers

Why is there a growing emphasis on recycling computer hardware?

<p>To reduce pollution and recover valuable materials (C)</p> Signup and view all the answers

What is the role of a motherboard in a computer system?

<p>To connect and coordinate various components of the computer (A)</p> Signup and view all the answers

What type of card is inserted into a motherboard's expansion slot to add new functionality?

<p>Expansion card (D)</p> Signup and view all the answers

What environmental effect can happen if e-waste is not disposed of properly?

<p>Hazardous materials can leach into groundwater (B)</p> Signup and view all the answers

What is a primary benefit of recycling computer hardware?

<p>It prevents hazardous materials from entering landfills and waterways. (B)</p> Signup and view all the answers

What does the term 'e-cycling' refer to?

<p>The donation, reuse, and recycling of used electronics. (D)</p> Signup and view all the answers

Which organization is mentioned as a recycler and refurbisher of old computers?

<p>Computer Aid International (C)</p> Signup and view all the answers

What is the primary goal of the Waste Electrical and Electronic Equipment Directive?

<p>To enforce sustainable disposal of electrical appliances. (C)</p> Signup and view all the answers

What items are considered 'e-cyclable'?

<p>Items such as televisions, microwaves, and vacuum cleaners. (A)</p> Signup and view all the answers

Which of the following statements about electronics waste is accurate?

<p>Electronics represent a small fraction of waste but pose greater environmental risks. (A)</p> Signup and view all the answers

What is one method mentioned for donated computer recycling?

<p>Shredding. (A)</p> Signup and view all the answers

Which companies are known for recycling computers regardless of the make?

<p>Dell and Apple (D)</p> Signup and view all the answers

One consequence of improper disposal of electronic waste is:

<p>Increased groundwater contamination. (D)</p> Signup and view all the answers

What is one of the legislations designed to promote sustainable disposal of electronic waste?

<p>Waste Electrical and Electronic Equipment Directive (A)</p> Signup and view all the answers

What does hardware refer to in a computer system?

<p>The physical parts of a computer (C)</p> Signup and view all the answers

Which component acts as the brain of the computer, executing instructions?

<p>Central Processing Unit (CPU) (C)</p> Signup and view all the answers

Which historical figure invented the difference engine?

<p>Charles Babbage (A)</p> Signup and view all the answers

What is a key characteristic of software compared to hardware?

<p>Software can be easily modified (D)</p> Signup and view all the answers

What is the purpose of a universal Turing machine?

<p>To model any type of computer (A)</p> Signup and view all the answers

Which device did Blaise Pascal invent?

<p>Gear-based adding machine (C)</p> Signup and view all the answers

What distinguishes computer hardware from software?

<p>Hardware cannot change, software can (C)</p> Signup and view all the answers

Which concept developed by George Boole underpins modern computing logic?

<p>Boolean algebra (C)</p> Signup and view all the answers

What was a significant limitation of Leibniz's stepped reckoner?

<p>It was not very functional due to design issues (D)</p> Signup and view all the answers

What technology did Charles Babbage incorporate into his designs that became common in early computers?

<p>Punch cards (A)</p> Signup and view all the answers

What is a potential reason a hardware device is not functioning correctly?

<p>The device needs a driver installation or update. (A)</p> Signup and view all the answers

How does firmware relate to hardware and software?

<p>Firmware connects software to hardware, facilitating communication. (D)</p> Signup and view all the answers

Which statement accurately describes the nature of hardware compared to software?

<p>Hardware modifications require more effort than software upgrades. (B)</p> Signup and view all the answers

What should be checked to confirm if a computer's hardware is functioning properly?

<p>Verify if the device is enabled in Device Manager. (D)</p> Signup and view all the answers

What is a typical first step when troubleshooting a suspected faulty hardware component?

<p>Investigate the Device Manager for driver issues. (B)</p> Signup and view all the answers

What is the distinction between software and hardware in computer systems?

<p>Software runs on hardware, providing functionality. (A)</p> Signup and view all the answers

What is a key resource for finding replacement parts for hardware issues?

<p>The manufacturer's tech support and warranty information. (C)</p> Signup and view all the answers

What might prevent hardware from working if a device seems faulty?

<p>The device driver is missing or incorrect. (B)</p> Signup and view all the answers

What characterizes the nature of updates needed for hardware devices?

<p>They may only involve driver installation or updates. (C)</p> Signup and view all the answers

Which of these components is considered closely related to both hardware and software?

<p>Firmware (A)</p> Signup and view all the answers

What is the primary function of auxiliary hardware in a computer system?

<p>To provide additional functionality outside the main operations (A)</p> Signup and view all the answers

Which type of hardware combines multiple functions such as routing and switching?

<p>Network hardware (C)</p> Signup and view all the answers

What is one characteristic of peripheral devices in computer systems?

<p>They provide additional functionality beyond the main purpose of the computer (A)</p> Signup and view all the answers

Which situation can lead to a simultaneous failure of computer hardware components?

<p>Inconsistent heating and cooling processes during operation (A)</p> Signup and view all the answers

Which component is typically not visible unless a computer case is opened?

<p>Internal hardware components like the CPU and motherboard (C)</p> Signup and view all the answers

Which type of computer hardware is often integrated into tablets or laptops?

<p>Common hardware devices like keyboards and trackpads (D)</p> Signup and view all the answers

Why is it important to consider the mutual exclusivity of hardware options in a computer system?

<p>To ensure compatibility and avoid resource conflicts (C)</p> Signup and view all the answers

What is a characteristic feature of network hardware configurations?

<p>They can include devices that provide multiple networking functions (A)</p> Signup and view all the answers

What is a common misconception about computer hardware components?

<p>All hardware must be visible externally to function (C)</p> Signup and view all the answers

Which of the following is true regarding computer hardware's performance?

<p>Heat management significantly impacts the lifespan and reliability of hardware (B)</p> Signup and view all the answers

What is the primary function of computer hardware?

<p>To facilitate physical connections and operations (B)</p> Signup and view all the answers

Which term best describes peripheral devices?

<p>External hardware not essential for core operations (A)</p> Signup and view all the answers

Which component is commonly integrated into portable devices like laptops?

<p>Keyboard (D)</p> Signup and view all the answers

What is the main role of network hardware in a computer system?

<p>To connect computers and manage data transfer (A)</p> Signup and view all the answers

Which of the following examples is NOT categorized as network hardware?

<p>Graphics card (D)</p> Signup and view all the answers

What can happen to computer hardware components when they heat up significantly during use?

<p>They may eventually fail or malfunction (C)</p> Signup and view all the answers

What is the characteristic of auxiliary hardware?

<p>It can either be present or absent in a computer system (C)</p> Signup and view all the answers

What is a common characteristic of modern computer hardware components?

<p>Most are designed to be easily replaceable (C)</p> Signup and view all the answers

Which of the following accurately describes the role of a relay in computer hardware?

<p>To provide physical power management for the system (D)</p> Signup and view all the answers

What is a key characteristic of integrated hardware components in devices like tablets and laptops?

<p>They generally improve performance but limit upgrades (D)</p> Signup and view all the answers

What is the function of Device Manager in a computer system?

<p>To oversee hardware resources and device drivers (C)</p> Signup and view all the answers

Which step is NOT necessary before replacing hardware in a computer?

<p>Install a new operating system (C)</p> Signup and view all the answers

What is a primary distinction between hardware and software?

<p>Hardware is strict in modifications, while software is flexible (D)</p> Signup and view all the answers

What role does firmware play in a computer system?

<p>It connects software applications to hardware components (D)</p> Signup and view all the answers

What could cause a piece of hardware to appear faulty in a computer system?

<p>A disabled device in Device Manager (C)</p> Signup and view all the answers

What should be checked first if a hardware component is not functioning?

<p>Ensure the correct driver is installed and device is enabled (B)</p> Signup and view all the answers

What is the main difference in flexibility between hardware and software?

<p>Software can be modified or upgraded more easily than hardware (D)</p> Signup and view all the answers

Which of the following represents a typical troubleshooting resource for hardware issues?

<p>Device Manager and tech support information (B)</p> Signup and view all the answers

Which of the following statements about device drivers is accurate?

<p>The wrong device driver can cause hardware to malfunction (A)</p> Signup and view all the answers

Why might it be beneficial to consult a computer manufacturer's warranty?

<p>To check if hardware can be returned or replaced at no cost (D)</p> Signup and view all the answers

What is the primary distinction between hardware and software in a computer system?

<p>Hardware is the physical part of the system, while software is data-based. (A)</p> Signup and view all the answers

What are peripheral devices in the context of computer hardware?

<p>External or internal devices not involved in the main function of the computer. (C)</p> Signup and view all the answers

Why might computer hardware fail over time?

<p>Continuous heat and cooling cycles can lead to failure. (D)</p> Signup and view all the answers

What is the primary role of Device Manager in a Windows operating system?

<p>To oversee the installation and functionality of hardware devices. (A)</p> Signup and view all the answers

What might be the reason a hardware device is not working properly?

<p>The device is in need of a driver installation or update. (D)</p> Signup and view all the answers

Which of the following best describes auxiliary hardware?

<p>Optional devices that enhance user experience but are not critical to functionality. (C)</p> Signup and view all the answers

What is a common function of network hardware within a home or business?

<p>It connects multiple devices to the internet and manages data traffic. (D)</p> Signup and view all the answers

How does firmware relate to hardware and software?

<p>It is a type of software that directly controls hardware behavior. (C)</p> Signup and view all the answers

What characterizes the integration of hardware in modern tablets and laptops?

<p>Many hardware components are integrated into a single housing. (B)</p> Signup and view all the answers

Why might a user choose to replace computer hardware instead of purchasing a new computer?

<p>Some hardware failures can be resolved without extensive repairs. (B)</p> Signup and view all the answers

What is typically true about the failure of computer hardware components?

<p>Some components can fail independently of others. (D)</p> Signup and view all the answers

What distinguishes software from hardware in a computer system?

<p>Hardware modifications are more complex compared to software changes. (C)</p> Signup and view all the answers

What is a common first step before replacing malfunctioning hardware?

<p>Check for updates or installations for device drivers. (A)</p> Signup and view all the answers

Which type of hardware might not be commonly found in modern computers anymore?

<p>External disc drives. (A)</p> Signup and view all the answers

What is the role of a video card in a computer system?

<p>It converts digital data into a visual output for display. (A)</p> Signup and view all the answers

What ensures hardware devices function properly and communicate effectively with the operating system?

<p>Device drivers and firmware. (D)</p> Signup and view all the answers

What is a common integration feature of network hardware at home?

<p>Home routers often act as a router, switch, and firewall. (D)</p> Signup and view all the answers

Which of the following could indicate that a piece of hardware is disabled?

<p>The device shows up in the hardware list but is unresponsive. (C)</p> Signup and view all the answers

What should be checked when considering upgrading or replacing hardware?

<p>Compatibility with existing software and other hardware components. (B)</p> Signup and view all the answers

What is a potential consequence of installing the wrong driver on hardware?

<p>The hardware may malfunction or not work at all. (B)</p> Signup and view all the answers

What critical role does the CPU play in a computer system?

<p>It is responsible for executing instructions and managing tasks within the system. (D)</p> Signup and view all the answers

Which component is primarily responsible for managing input and output operations in a computer system?

<p>Input/Output Controller (B)</p> Signup and view all the answers

What is the primary purpose of understanding computer hardware components?

<p>To make informed decisions about hardware upgrades, purchases, and troubleshooting. (B)</p> Signup and view all the answers

Which of the following describes the vital function of peripheral devices in a computer system?

<p>They allow users to interact with the computer and output information. (A)</p> Signup and view all the answers

What is cache memory primarily used for?

<p>Providing high-speed data access to the processor (D)</p> Signup and view all the answers

Which storage device offers faster data access compared to traditional magnetic storage?

<p>Solid State Drive (SSD) (C)</p> Signup and view all the answers

What type of memory is Read-Only Memory (ROM)?

<p>Non-volatile memory that stores firmware (B)</p> Signup and view all the answers

Which of the following devices is considered an output device?

<p>Monitor (C)</p> Signup and view all the answers

What is the primary function of a router within computer networking?

<p>To forward data packets between networks (C)</p> Signup and view all the answers

What is the primary function of cache memory in a computer system?

<p>To provide high-speed data access to the processor. (A)</p> Signup and view all the answers

Which input device would be suitable for capturing audio?

<p>Microphone (D)</p> Signup and view all the answers

Which of the following storage devices utilizes flash memory for faster data access?

<p>Solid State Drive (SSD) (A)</p> Signup and view all the answers

Which of the following statements accurately describes a solid-state drive (SSD)?

<p>Offers faster data access using flash memory (A)</p> Signup and view all the answers

What distinguishes a laptop from a desktop computer?

<p>Laptops incorporate all components into a single unit (B)</p> Signup and view all the answers

Which device is primarily responsible for modulating and demodulating signals for internet connectivity?

<p>Modem (B)</p> Signup and view all the answers

What is an important characteristic of ROM compared to RAM?

<p>ROM is non-volatile and retains data without power. (B)</p> Signup and view all the answers

What is the role of a power supply unit (PSU) in a computer?

<p>To convert electrical power into usable power (A)</p> Signup and view all the answers

Which type of device is a USB flash drive?

<p>Solid-state storage (B)</p> Signup and view all the answers

What is the role of the power supply unit (PSU) in a computer system?

<p>To convert electrical power into usable power for components. (B)</p> Signup and view all the answers

Which cooling system involves the use of liquid to manage heat?

<p>Liquid Cooling System (A)</p> Signup and view all the answers

In the context of computer networking, what is the primary purpose of a switch?

<p>To connect devices within a local area network and manage data traffic. (B)</p> Signup and view all the answers

Which component primarily manages the connection between all parts of a computer?

<p>Motherboard (B)</p> Signup and view all the answers

What type of devices typically use embedded systems?

<p>Specialized systems within larger machines like appliances. (B)</p> Signup and view all the answers

Which type of storage device is now considered outdated for data transfer?

<p>Floppy Disk (C)</p> Signup and view all the answers

Which component is responsible for converting the digital signals of the CPU into analog signals for display on a monitor?

<p>Graphics Card (D)</p> Signup and view all the answers

What does the term 'form factor' typically refer to in computer hardware?

<p>The physical size and layout of components (D)</p> Signup and view all the answers

Which cooling method uses a liquid substance to dissipate heat from components?

<p>Liquid Cooling (C)</p> Signup and view all the answers

What is the primary purpose of the BIOS in a computer system?

<p>Booting up the operating system (A)</p> Signup and view all the answers

What type of memory is typically used as the short-term storage that the CPU can access quickly?

<p>RAM (C)</p> Signup and view all the answers

Which technology allows for the direct access of data on multiple hard drives to improve performance and data redundancy?

<p>RAID (B)</p> Signup and view all the answers

What does overclocking refer to in a computer system?

<p>Running hardware at higher speeds than intended (B)</p> Signup and view all the answers

Which of the following ports is typically used for video output and supports high-definition displays?

<p>HDMI Port (B)</p> Signup and view all the answers

Which type of RAM is specifically designed for error detection and correction?

<p>ECC RAM (D)</p> Signup and view all the answers

What function does the chipset perform on a motherboard?

<p>Control the flow of data between the CPU and other components (B)</p> Signup and view all the answers

Which component is responsible for converting digital signals to analog for display purposes?

<p>Graphics Card (A)</p> Signup and view all the answers

What does the term 'cache memory' primarily refer to in a computer system?

<p>High-speed storage for frequently accessed data (A)</p> Signup and view all the answers

Which of the following sockets is primarily associated with AMD processors?

<p>AM4 (B)</p> Signup and view all the answers

What is the primary function of the Northbridge component of a chipset?

<p>Managing communication between CPU and RAM (B)</p> Signup and view all the answers

What is a key advantage of using SSDs over traditional hard drives?

<p>Higher data transfer speeds and durability (C)</p> Signup and view all the answers

Which type of RAM is known for its ability to correct memory errors automatically?

<p>ECC RAM (C)</p> Signup and view all the answers

Which cooling method is known to be more effective than traditional air cooling for processor cooling?

<p>Liquid Cooling (D)</p> Signup and view all the answers

What aspect does the 'refresh rate' of a monitor primarily describe?

<p>How quickly the image is refreshed on the screen (D)</p> Signup and view all the answers

Which of the following interfaces is primarily used for high-speed data transfer between devices?

<p>USB 3.0 (D)</p> Signup and view all the answers

What is the primary purpose of RAID technology in storage systems?

<p>To provide redundancy and improve fault tolerance (A)</p> Signup and view all the answers

What component is primarily responsible for performing calculations and executing instructions in a computer?

<p>CPU (D)</p> Signup and view all the answers

Which type of RAM is specifically designed to detect and correct internal data corruption?

<p>ECC RAM (A)</p> Signup and view all the answers

Which storage technology provides faster data access and is generally more reliable due to the lack of moving parts?

<p>SSD (C)</p> Signup and view all the answers

What is the primary purpose of the BIOS in a computer system?

<p>Perform hardware initialization (B)</p> Signup and view all the answers

Which component acts as the main circuit board that connects all components of a computer?

<p>Motherboard (B)</p> Signup and view all the answers

Which term refers to the maximum amount of data that can be transferred over a bus in a computer system at one time?

<p>Bandwidth (C)</p> Signup and view all the answers

Which of the following interfaces is typically used for connecting high-speed peripherals like external drives and displays?

<p>HDMI (C)</p> Signup and view all the answers

What aspect of a computer monitor greatly influences the sharpness and clarity of the visual display?

<p>Screen Resolution (B)</p> Signup and view all the answers

What type of cooling solution uses liquid to dissipate heat from the CPU or components?

<p>Liquid Cooling (C)</p> Signup and view all the answers

Which device is mainly used for inputting commands and controlling software applications on a computer?

<p>Keyboard (B)</p> Signup and view all the answers

Which feature allows a CPU to execute multiple instructions simultaneously without any interference?

<p>Multicore Processor (A)</p> Signup and view all the answers

What is the primary function of the Southbridge on a motherboard?

<p>Handling communication between peripheral devices and the CPU (C)</p> Signup and view all the answers

Which of the following is NOT typically considered when discussing powering efficiency in computing hardware?

<p>Thermal Paste (D)</p> Signup and view all the answers

Which cooling method is most effective for high-performance gaming setups?

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Which component is responsible for ensuring that a video card can process data effectively and efficiently within a computer system?

<p>GPU (B)</p> Signup and view all the answers

In what scenario would RAID configurations primarily be utilized?

<p>To improve data security and performance (B)</p> Signup and view all the answers

What is the purpose of a BIOS Update?

<p>To maintain compatibility with new hardware and software (B)</p> Signup and view all the answers

Which type of memory is specifically designed to retain data even when the power is turned off?

<p>Non-volatile Memory (A)</p> Signup and view all the answers

Which connector type is primarily used for high-speed connections in modern computing peripherals?

<p>USB 3.0 (D)</p> Signup and view all the answers

Which type of RAM is specifically designed for error correction and data integrity in critical applications?

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What is an advantage of using a dedicated graphics card over integrated graphics?

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Which factor is crucial when assessing the compatibility of a CPU with a motherboard?

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What is a key advantage of using a power supply unit (PSU) with 80 PLUS certification?

<p>Higher energy efficiency (D)</p> Signup and view all the answers

What aspect should you consider when selecting RAM speed for your computing tasks?

<p>Clock speed and CAS latency (B)</p> Signup and view all the answers

Which factor is important when choosing a sound card for professional audio work?

<p>Latency and frequency response (B)</p> Signup and view all the answers

When selecting a solid-state drive (SSD) as a primary boot drive, what advantage does it provide over a hard disk drive (HDD)?

<p>Faster boot and load times (C)</p> Signup and view all the answers

What is the main consideration when choosing a cooling solution for your PC build?

<p>Noise levels and cooling efficiency (A)</p> Signup and view all the answers

Which feature should you look for when assessing a monitor for gaming?

<p>Fast response time and high refresh rate (B)</p> Signup and view all the answers

What is a key reason for using a liquid cooling system for CPUs and GPUs?

<p>Better temperature control and efficiency (D)</p> Signup and view all the answers

What should you assess regarding the size of a computer case?

<p>Space for all components and airflow (A)</p> Signup and view all the answers

What ethical concern arises from the use of technology in education for underserved communities?

<p>Privacy violations of student data (A)</p> Signup and view all the answers

Which ethical dilemma is most associated with the development of autonomous healthcare robots?

<p>Patient consent and agency (A)</p> Signup and view all the answers

What is an ethical implication of data mining in business and marketing?

<p>Manipulation of consumer behavior (B)</p> Signup and view all the answers

How should organizations address the ethical concerns of retaining user data?

<p>By implementing the right to be forgotten policies (A)</p> Signup and view all the answers

What ethical responsibilities arise from the use of biometric data in security?

<p>Protecting user privacy (B)</p> Signup and view all the answers

Which ethical dilemma is significant in the context of social media use for political influence?

<p>Misinformation and manipulation risks (C)</p> Signup and view all the answers

What ethical consideration should guide the development of VR and AR applications?

<p>Potential for addiction (D)</p> Signup and view all the answers

What ethical issue occurs with the handling of electronic waste (e-waste)?

<p>Toxic environmental impacts (B)</p> Signup and view all the answers

What ethical question is raised by individual digital footprints?

<p>Responsible sharing of personal data (B)</p> Signup and view all the answers

How should governments balance national security with privacy rights in surveillance?

<p>By ensuring oversight and accountability (B)</p> Signup and view all the answers

What is a key factor in determining the appropriate amount of RAM for a computer setup?

<p>The intended use such as gaming or professional applications (A)</p> Signup and view all the answers

Which component directly influences the overall performance of a computer system?

<p>The CPU (Central Processing Unit) (A)</p> Signup and view all the answers

What should be considered when selecting a motherboard for a custom PC build?

<p>The number of USB ports and expansion slots (B)</p> Signup and view all the answers

Which type of storage device offers faster data access speeds, typically leading to better overall system performance?

<p>Solid State Drive (SSD) (A)</p> Signup and view all the answers

What is one advantage of using a modular power supply unit (PSU)?

<p>It improves cooling by reducing cable clutter (B)</p> Signup and view all the answers

What factor is crucial to ensure compatibility between a CPU and a motherboard?

<p>The socket type of the CPU (A)</p> Signup and view all the answers

How do aftermarket CPU coolers generally differ from stock coolers?

<p>They often provide improved cooling performance (D)</p> Signup and view all the answers

What should you assess to determine if your computer meets performance needs for a specific task?

<p>The specifications of the CPU, RAM, and GPU (C)</p> Signup and view all the answers

Which cooling solution is typically ideal for high-performance gaming setups?

<p>Custom liquid cooling systems (D)</p> Signup and view all the answers

When selecting components for a gaming setup, which GPU characteristic is particularly important?

<p>The amount of VRAM (Video RAM) (D)</p> Signup and view all the answers

What is the primary benefit of using a solid-state drive (SSD) as a primary boot drive compared to a hard disk drive (HDD)?

<p>SSDs provide faster data access speeds, resulting in quicker boot times. (A)</p> Signup and view all the answers

Which factors are essential when considering the compatibility of a CPU with a motherboard?

<p>Socket type and chipset compatibility. (B)</p> Signup and view all the answers

What is a key advantage of using modular cables with a power supply unit (PSU)?

<p>They simplify cable management and reduce clutter. (B)</p> Signup and view all the answers

What factor is essential to ensure all hardware components are compatible with each other in a computer setup?

<p>CPU socket type (D)</p> Signup and view all the answers

What benefit does a liquid cooling system offer compared to traditional air cooling solutions?

<p>Liquid cooling systems can maintain lower temperatures under heavy workloads. (B)</p> Signup and view all the answers

Which cooling solution is generally considered optimal for a high-performance gaming PC?

<p>Aftermarket water cooling systems (A)</p> Signup and view all the answers

When assembling a computer, what is crucial for ensuring proper electrostatic discharge (ESD) protection?

<p>Utilizing ESD wristbands and grounding mats. (D)</p> Signup and view all the answers

When assessing power supply wattage for your computer configuration, which aspect is least relevant?

<p>Cooling fans' RPM (B)</p> Signup and view all the answers

What is a significant advantage of using solid-state drives (SSD) over hard disk drives (HDD)?

<p>Faster data access speeds (B)</p> Signup and view all the answers

Which consideration is least important when determining the appropriate form factor for your motherboard?

<p>Overall system performance needs (B)</p> Signup and view all the answers

Flashcards

ROM

Read-Only Memory; permanent storage holding instructions for the computer, preventing changes

RAM

Random Access Memory; temporary data storage for programs and files that's accessed directly

Volatile Memory

Memory that loses its contents when the power is off

Nonvolatile Memory

Memory that retains its contents even when the power is off

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SIMM

Single Inline Memory Module; older type of RAM module used in PCs

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DIMM

Dual Inline Memory Module; newer type of RAM module used in PCs

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Cache Memory

High-speed memory to speed up frequent data access and usage via temporary storage of it

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SRAM

Static RAM; a type of RAM that doesn't need constant power to hold data

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Video RAM

Memory used to store video data to display on a monitor.

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Bus Mastering

A technique for a device to directly access the system bus without CPU involvement.

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Video Chipset

The integrated circuit responsible for processing video data.

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Video BIOS

A set of instructions that controls video operations.

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RAMDAC

Converts digital video data into analog video signals.

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3D Graphics Accelerators

Hardware that speeds up processing of 3D graphics.

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Interrupt Request (IRQ)

A signal to the CPU to handle a specific task.

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I/O Addresses

Specific addresses used for communication between devices.

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DMA (Direct Memory Access)

Allows devices to directly transfer data to RAM without CPU involvement.

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Troubleshooting Video Problems

Methods to identify and repair problems with the video display.

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Cache Memory

High-speed memory that stores frequently accessed data to speed up computer operations.

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Hard Disk Drives

Primary data storage devices in computers that persistently store data.

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Hard Disk Construction

Components of a hard disk, including spindle motor, storage media (plates), read/write heads, head actuators, air filters, logic boards, and connectors.

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Cache Mapping

How data is placed in the cache to optimize access, crucial for performance.

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IDE Interface

Interface standard for hard drives, using a parallel cable.

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SCSI Interface

Interface standard for hard drives/devices, offering higher data transfer rates.

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Data Addressing

Methods for identifying and retrieving specific data blocks on hard drives.

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Disk Capacities

Measurements of data storage capacity offered by hard disks (e.g., GB, TB).

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Hard Disk Performance

Speed and efficiency of hard disks in terms of data access speed, transfer rates, and reliability.

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Cache Mounts

Process of establishing connections between cache modules and system.

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Expansion Card Operation

Process of using expansion cards in a computer, involving interrupts, I/O addresses, and DMA.

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Interrupt Requests (IRQs)

Signals used by devices to request the CPU's attention for tasks.

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I/O Addresses

Specific locations used for communication between devices and the computer.

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Direct Memory Access (DMA)

Method of data transfer between devices and memory without CPU intervention.

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Video Card Components

The internal parts of a video card, including the processor, memory, and connectors.

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Video Processor

Component responsible for processing video data to display on a monitor.

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Video Memory

Memory used by the video card to store image data for display.

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Resolution

Number of pixels displayed on a monitor's screen.

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Color Depth

Number of colors available to be displayed on the monitor.

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Plug and Play

A feature that automatically configures devices without manual intervention.

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Minicomputer use

Smaller computers with similar capabilities to mainframes, but scaled down, to serve smaller companies or large departments within companies.

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Minicomputer vs Personal Computer

Minicomputers are significantly more powerful and larger than personal computers; they are ideal for medium to small sized businesses.

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Supercomputer purpose

Extremely powerful computers mainly used in scientific research, military applications, and government sectors.

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Mainframe function

Powerful computers used by large organizations for handling large amounts of data and processing power.

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Midrange Computer

Another name for minicomputer, suggesting it's positioned between personal computers and mainframes in terms of processing power and capacity

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PC Hardware

The physical components that make up a personal computer, including the motherboard, CPU, memory, storage, and peripherals.

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Copyright

Legal right granted to the creator of a work, allowing them to control its use and distribution.

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eBook

Electronic book; a digital version of a printed book.

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Terms of Use

Rules outlining how a product or service can be used; crucial for contractual and legal reasons.

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Minicomputer

Mid-sized computer between a personal computer and a mainframe, used in small/medium businesses.

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Supercomputer

Extremely powerful computer used for complex scientific calculations.

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Mainframe

Powerful computer used by large organizations for large-scale data and processing.

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Preventive PC Maintenance

Regular upkeep to avoid computer problems, and improve performance

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Power Surges

Sudden increases in voltage that can damage electronics

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Surge Suppressors

Devices that protect electronics from power surges by absorbing excess energy

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Input Devices

Components used to enter data into a computer (e.g., keyboard, mouse)

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Output Devices

Components that display or produce output from computer (monitor, printer)

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Hard Disk Drives

Primary storage devices that store data persistently

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Troubleshooting PC Hardware

Diagnosing and fixing problems related to the physical components of a computer

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Power Line Problems

Issues that stem from the electrical line supplying power to the PC

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Cleaning & Maintenance Supplies

Materials used to keep computer components clean and operational

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RAM Types

Different kinds of Random Access Memory (RAM) used in computers, including static and dynamic RAM (DRAM).

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Conventional Memory

The portion of RAM addressable by older operating systems, typically the first 1MB.

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Extended Memory

RAM beyond the 1MB addressable limit for older operating systems.

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Installing a DIMM

Procedure for inserting a Dual Inline Memory Module into a computer's motherboard.

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Cache Memory

High-speed memory that stores frequently accessed data to speed up computer operations.

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SRAM and Cache Memory

Static RAM (SRAM) is a type of RAM used in cache memory due to its high speed and low latency.

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Memory Errors

Problems or malfunctions concerning computer memory, which often lead to system instability.

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CMOS

Complementary Metal-Oxide-Semiconductor, a small amount of memory used by computers to store system settings that don't require constant power, like system time and date

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Memory Modules

Physical components containing RAM, like SIMMs and DIMMs, that plug into the motherboard.

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Logical Memory Configuration

The way memory is organized and accessed by the computer's operating system.

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Digital Signal

A signal that has only two possible values, like ON or OFF, or 1 and 0.

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Analog Signal

A signal that can take on any value within a range, smoothly changing over time.

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Binary Number System

A number system that uses only two digits, 0 and 1, to represent information.

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Transistor

A tiny electronic switch that can hold either a positive or non-positive electrical charge, representing 1 or 0.

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Computer's Data Storage

Digital data is stored using transistors, assigning one of two electrical states (1 or 0) to each data bit in binary format.

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System Case Function

The system case encloses vital PC components like the motherboard, power supply, and expansion cards, playing a crucial role in electrical and ventilation systems.

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Motherboard Role

The motherboard is a circuit board that holds the microprocessor, memory, ROM, and other crucial components for computer function.

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PC Component Interaction

The intricate interplay of the numerous PC components is crucial for running various tasks, like writing, gaming, and online browsing.

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Computer's Parts

Thousands of interacting parts, including transistors and other components, are coordinated for a computer's actions.

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PC Hardware Function

Physical components of a computer, including the motherboard, CPU, memory, storage, and peripherals, ensuring the overall function.

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Computer User Perspective

Users rarely consider how computer components work together to execute tasks.

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Sound Devices

Digital systems handle sound, ranging from simple beep codes to high-fidelity audio from CD-ROMs or DVDs.

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Digital Systems

Digital systems handle diverse tasks, making them versatile.

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PC Components

The system case, motherboard, power supply, expansion cards, and other components form the core of a computer.

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Component Coordination

The computer's components must be coordinated to fulfil user desires.

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Video Display Standards

Sets of rules and specifications that define how video data is displayed on monitors, including resolution, refresh rates, and color depth.

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Video Cards

Printed circuit boards that process and output video data to a display device.

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CRT (Cathode Ray Tube)

A traditional display technology using an electron gun to paint the screen with light, based on deflection.

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Flat-Panel Displays

Modern display technologies that don't use vacuum tubes, like LCDs and LED, offering thinner and lightweight screens.

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Liquid Crystal Display (LCD)

A flat-panel display technology that uses a liquid crystal to control light passing through the screen, affecting its color and intensity.

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Printer Types and Technologies

Different ways computers print on paper. This includes dot matrix, inkjet, laser printers, and more.

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Dot Matrix Printers

Printers that create characters by striking pins to create dots on print paper.

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Preventive PC Maintenance

Regular upkeep to avoid computer problems and improve performance.

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Power Surges

Sudden increases in voltage that can damage electronics.

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Surge Suppressors

Devices that protect electronics from power surges by absorbing excess energy.

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Input Devices

Components used to enter data into a computer (e.g., keyboard, mouse).

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Output Devices

Components that display or produce output from a computer (monitor, printer).

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Hard Disk Drives

Primary storage devices that store data persistently.

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Troubleshooting PC Hardware

Diagnosing and fixing problems related to the physical components of a computer.

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Digital Logic

The fundamental building block of computer operations, using two-state values (e.g., 0 or 1) to represent information.

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Binary Numbers

A number system using only two digits, 0 and 1, to represent data.

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Hexadecimal

A number system using 16 digits (0-9 and A-F) to represent data more concisely than binary.

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AC Power

Alternating Current; electrical power that reverses its direction periodically.

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DC Power

Direct Current; electrical power that flows in one direction.

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Input Devices

Components that allow users to enter data into a computer (e.g., keyboard, mouse).

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Output Devices

Components that display or produce computer output (e.g., monitor, printer).

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Microprocessor

The central processing unit (CPU) of a computer, carrying out instructions.

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Two-State Logic

The fundamental operation of digital circuits using two possible states (e.g., 0, 1).

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Binary Data

Data represented in a binary format using ones and zeros.

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System Case Function

The system case encloses essential PC components like the motherboard, power supply, and expansion cards; it's crucial for the computer's electrical and cooling systems.

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Motherboard Role

The motherboard is a circuit board that houses the microprocessor, memory, ROM, and other crucial electronic parts necessary for the computer to work.

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PC Component Interaction

The complex interplay of PC components is necessary to perform various tasks, from simple letters to complex games.

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Computer's Parts

A multitude of intricate parts, including transistors, work in tandem for the computer.

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PC Hardware Function

The physical components within a computer, such as the motherboard, CPU, memory, storage and peripherals, are responsible for the computer's overall function.

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ROM

Read-Only Memory; permanent storage for the computer's startup instructions.

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CMOS

Complementary Metal-Oxide-Semiconductor; small memory for storing system settings, like time.

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RAM

Random Access Memory; temporary data storage for computer programs.

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Memory Modules

Physical components that hold RAM; connect to motherboard.

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Logical Memory Configuration

How operating systems organize and address the computer's memory.

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Conventional Memory

The first megabyte of RAM, directly accessible by older operating systems.

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Cache Memory

High-speed memory that temporarily stores frequently used data.

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SRAM and Cache Memory

Static RAM (SRAM) is a fast type of RAM often used in cache memory.

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Memory Errors

Problems that occur with memory, causing instability or malfunction.

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Installing a DIMM

Procedure of inserting a Dual Inline Memory Module into the motherboard.

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Video Display Standards

Rules defining how video data is shown on monitors, including resolution, refresh rates, and color depth.

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Video Cards

Circuit boards that process and output video data to displays.

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CRT (Cathode Ray Tube)

A traditional display technology using an electron gun to paint the screen with light.

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Flat-Panel Displays

Modern displays, without vacuum tubes, like LCDs and LEDs.

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Liquid Crystal Display (LCD)

A flat-panel display using liquid crystals to control light passing through the screen.

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Printer Types and Technologies

Different ways computers print on paper, like dot matrix and inkjet.

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Dot Matrix Printers

Printers that create characters by striking pins to form dots on paper.

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Preventive PC Maintenance

Regular upkeep to prevent computer problems and optimize performance.

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Power Surges

Sudden increases in voltage that can damage electronic devices.

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Surge Suppressors

Devices that protect electronics from power surges by absorbing excess energy.

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Input Devices

Components used to enter data into a computer, such as a keyboard or mouse.

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Output Devices

Components that display or produce computer output, like a monitor or printer.

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Hard Disk Drives

Primary storage devices in computers that persistently store data.

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Troubleshooting PC Hardware

Diagnosing and fixing problems with a computer's physical components.

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Expansion Card Operation

The process of utilizing expansion cards (like video or sound cards) within a computer, involving specific resource allocation (IRQs, I/O addresses, DMA) to work effectively with the system.

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Interrupt Requests (IRQs)

Signals that devices use to request the CPU's attention and handle specific tasks.

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I/O Addresses

Specific locations for communication between hardware devices and the computer.

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Direct Memory Access (DMA)

A method that allows devices to transfer data directly to/from the computer's memory without CPU intervention, speeding up the process.

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Video Cards

Printed circuit boards that process and output video data, enabling the display of images and graphics on the monitor.

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Video Processor

The component of a video card responsible for processing video data and displaying it on the monitor.

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Video Memory

The memory component of a video card that temporarily stores video data to display on the screen.

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Resolution

The number of pixels (dots) displayed on a monitor's screen, determining the level of detail.

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Color Depth

The number of colors available for display on a monitor, measured in bits.

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Plug and Play

A computer feature that automatically configures new hardware without manual intervention.

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Socket Type

A specific connector on the motherboard for the processor.

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Northbridge/Southbridge

Integrated circuits that manage communication between the processor and other devices.

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Processor Generations

Successive improvements to computer processor design, often offering increased speed and efficiency.

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BIOS

Basic Input/Output System; a program that starts when you turn on the computer and sets up the hardware.

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Cold Boot

Starting the computer from a power-off state.

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POST

Power-On Self-Test; a series of tests the computer performs at startup to check hardware.

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BIOS Startup Screen

Displays system information and configuration options when the computer starts.

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ROM

Read-Only Memory; stores programs and data that cannot be easily changed.

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CMOS

Complementary Metal-Oxide-Semiconductor; a small amount of memory used by computers to store system settings.

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Flash BIOS

Updating the BIOS via a specific procedure, replacing the existing set of instructions.

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Integrated Circuit

A tiny chip containing many electronic components, like transistors and diodes, which perform specific functions.

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Microprocessor (4004)

The central processing unit (CPU) on a single chip; the brain of a computer.

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Floppy Disk

An early form of data storage using a magnetic disk; popular in personal computers.

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Personal Computer (PC)

A general-purpose computer designed for use by an individual.

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Killer Application (VisiCalc)

A software program that's so useful it dramatically increases the popularity of the computer system it runs on.

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Memory Management Techniques

Methods used by operating systems to efficiently allocate and manage computer memory.

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Virtual Memory Systems

Systems that extend physical memory capacity by using secondary storage to simulate more RAM.

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Memory Bandwidth

The rate at which data can be transferred to and from memory.

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Memory Hierarchy

A layered structure of memory with varying access speeds and capacities.

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Memory Leak Detection

Techniques to identify and fix situations where programs don't release allocated memory.

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ECC Memory

Allows error detection and correction in memory to ensure data integrity.

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Memory Fragmentation

The division of memory into small, unusable pieces.

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NVMe

Non-Volatile Memory Express, a high-speed interface for storage devices.

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Cooling Solutions

Methods to keep hardware components from overheating, using fans, heatsinks, and liquid cooling.

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PCIe

Peripheral Component Interconnect Express, high-speed bus system for connecting devices to a computer.

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Form Factors

Physical dimensions and layout of computer cases (e.g., ATX, Mini-ITX).

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Hardware Compatibility

The ability of different hardware components to work together.

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Firmware

Software embedded into hardware for basic operations.

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RAID Configurations

Methods to combine multiple storage devices for improved performance or redundancy.

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Embedded Systems

Computer systems designed to control specific hardware or machinery.

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Memory Management Techniques

Methods used to control how computer memory is allocated and accessed by programs.

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Virtual Memory Systems

Systems that use disk space as an extension of RAM, making more memory available than physically installed.

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Memory Bandwidth

The rate at which data can be transferred to and from memory.

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Memory Hierarchy

A structured arrangement of memory with varying speeds and capacities, optimizing access times.

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Memory Leaks

Situations where programs fail to release memory they no longer need, leading to system slowdown or failure.

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Memory Fragmentation

The breaking up of usable memory into small, non-contiguous blocks, making it difficult for programs to allocate memory.

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ECC Memory

Memory that can detect and correct errors in data, providing higher reliability.

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NVMe

A high-performance storage interface that enables faster data transfer speeds.

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Cooling Solutions (High-Performance Hardware)

Various methods used to prevent overheating in computers, like fans, heat sinks, and liquid cooling.

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PCIe

A high-speed bus standard enabling high-throughput data transfer between components and the CPU.

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Form Factors (ATX, MicroATX, Mini-ITX)

Different physical sizes and layouts for computer cases and motherboards.

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Firmware's Role (in Hardware Functionality)

Embedded software that controls and configures hardware components.

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RAID Configurations

Methods for organizing multiple hard drives to improve data redundancy, performance, or capacity.

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Heat Sinks and Thermal Paste

Components used together for transferring heat away from electronic components to prevent overheating.

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Hardware Compatibility

The ability of hardware components to work together.

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Memory Management Techniques

Methods used by computers to allocate, deallocate, and manage the use of random access memory (RAM).

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Memory Error Types

Different kinds of problems that can occur in computer memory, causing instability or data corruption.

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Virtual Memory Systems

Techniques that allow a computer to use more memory than physically installed by using a portion of the hard disk as an extension of RAM.

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Memory Bandwidth

The rate at which data can be transferred to and from memory.

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Memory Latency

The time delay for accessing data in memory.

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RAM vs. ROM

RAM (Random Access Memory) is temporary storage, whereas ROM (Read-Only Memory) is permanent storage holding instructions.

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Cache Memory

High-speed memory that stores frequently accessed data to improve performance.

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Memory Leak

A situation where a program uses memory but doesn't release it, which leads to a slow-down or eventual system crash.

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Memory Hierarchy

The organization of memory in a computer system, ranging from fastest (cache) to slowest (hard drive).

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NVMe

Non-Volatile Memory Express, a high-performance storage interface protocol

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Cooling Solutions

Methods for managing heat generated by high-performance hardware, improving stability and performance.

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PCIe

Peripheral Component Interconnect Express, a high-speed bus standard for connecting devices.

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Form Factors

Physical size and shape of computer cases (ATX, MicroATX, Mini-ITX).

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Firmware

Software embedded in hardware for basic operations (BIOS/UEFI).

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RAID Configurations

Redundant Arrays of Independent Disks for data redundancy and performance improvement.

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Hardware Security Modules (HSMs)

Dedicated hardware components for secure cryptographic operations (like encryption).

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Emerging Hardware Technologies

New technologies like quantum computing changing how we process information.

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Computer Hardware

Physical components of a computer, like the case, CPU, RAM, monitor, and mouse.

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Input Devices

Devices that allow users to enter data into a computer.

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Keyboard

A common input device used for typing data.

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Mouse

A pointing device for controlling the cursor on the screen.

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Scanner

A device that converts images or documents to digital format.

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Trackball

An input device like an upside-down mouse.

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Input

Data entered into the computer.

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Output

Result from the computer's processing.

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Computer Operations

Processes performed by computer hardware.

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Computer Acceptable Format

The way data is processed by the computer.

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Light Pen

A light-sensitive input device used to draw lines, figures, and objects on a screen by detecting raster positions.

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Microphone

A voice input device that converts sound into an electrical signal, processed by a computer to recognize speech.

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Optical Character Reader (OCR)

A device that identifies alphanumeric characters from paper documents using light reflection.

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Bar Code Reader

A device that reads bar codes (light/dark lines) and converts them into digital signals for computer processing.

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Output Devices

Devices that display computer results in a human-readable format.

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CD (Compact Disc)

A storage device with a high capacity of data, used for digital content storage.

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CPU (Central Processing Unit)

The central component of a computer that controls instructions, performs calculations, and manipulates data.

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Motherboard

The main circuit board in a computer, connecting all the components.

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RAM (Random Access Memory)

Temporary memory holding data and instructions that a computer is currently using.

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Hard Disk

A non-volatile storage device that persistently stores data magnetically.

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Computer Hardware

The physical parts of a computer that can be seen and touched, like the case, CPU, RAM, monitor, and mouse

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Input Devices

Components that allow users to enter data into the computer.

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Keyboard

A common input device used for typing data.

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Mouse

A pointing device that controls the cursor on the screen.

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Scanner

A device that converts images and documents into digital format.

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Trackball

A pointing device like an upside-down mouse, where the ball is moved for cursor control.

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Input Device Function

Provides instructions or raw data to the computer.

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Computer Components

The essential parts of a computer system that work together to achieve tasks.

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Input Output

Process of giving instructions or data to computer and receiving results from it.

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Monitor

An output device that displays output to the user, showing the result of computer processing.

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Light Pen

A light-sensitive device used to draw on a computer screen by detecting raster.

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Microphone

A voice input device that converts sound waves into electrical signals for computer processing.

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Optical Character Reader

A scanner-like device that reads printed or written text; converts it into digital data.

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Bar Code Reader

A device that reads bar codes, converting them into digital signals.

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Output Devices

Devices that display the results of computer processing in a human-readable format.

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Secondary Storage

Storage devices that retain data when the power is off, holding data like hard drives, CDs, and DVDs.

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CPU (Central Processing Unit)

The brain of the computer; it processes instructions and data.

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Motherboard

The main circuit board of a computer; connects all components.

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RAM (Random Access Memory)

Temporary computer memory that holds data and programs currently in use; lost when power is off.

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VGA Port

A video input port for connecting monitors; used for troubleshooting.

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Computer Hardware

The physical parts of a computer, including the CPU, RAM, motherboard, storage, and peripherals.

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Software

The set of instructions that tell the hardware what to do.

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Blaise Pascal's Device

A gear-based calculating machine that could add and subtract.

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Leibniz's Stepped Reckoner

A mechanically-operated calculating machine that could add, subtract, multiply, and divide.

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Charles Babbage's Difference Engine

A mechanical device designed to calculate polynomials.

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Universal Turing Machine

A theoretical model of a computer that can perform any computation.

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Boolean Algebra

A system of logic that uses 'true' or 'false' values to represent propositions.

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Stored-Program Computer

A computer where programs and data are stored in the same location

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Early Computers

Computing devices predating the modern electronic era that used mechanical mechanisms

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Turing Machine

A theoretical model of a computer, capable of performing any computation

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Von Neumann Architecture

A computer architecture with centralized memory for data and programs, a central processing unit (CPU), and input/output (I/O) units.

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Von Neumann Bottleneck

A performance limitation in the Von Neumann architecture where fetching both data and instructions from memory simultaneously slows down the system.

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Instruction Set Architecture (ISA)

The interface between a computer's hardware and software, specifying the instructions it can execute.

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CISC Architecture

A complex instruction set architecture that uses a large instruction set to minimize the number of instructions needed by the computer.

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RISC Architecture

Architecture using a simplified instruction set, allowing for more registers and better pipelining/caching for performance.

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Data Parallelism

A form of parallelism where the same function is applied to different parts of the data.

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Task Parallelism

Form of parallelism where different tasks are performed simultaneously with minimal interaction.

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Computer Microarchitecture

High-level design of the computer's CPU, memory, and their interconnections.

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Memory Hierarchy

Organization of memory where faster, more expensive memory is near the CPU and slower, cheaper memory is further away.

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Virtual Memory

Technique simplifying how programs address memory, using the operating system to map virtual memory to physical memory.

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E-cycling

The recycling of computer hardware, encompassing donation, reuse, shredding, and collection of used electronics.

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E-waste

Used or discarded electronic equipment.

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Hazardous E-waste Components

Electronic waste containing heavy metals and carcinogens.

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Environmental Concerns of E-waste

Lead-tin solders in electronics can leach into the environment, while incineration pollutes the air.

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Sustainable E-waste Disposal Laws

Regulations encourage responsible e-waste disposal, like the EU's WEEE Directive and US National Computer Recycling Act.

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E-cyclable Items

Items containing cords, lights, or batteries that can be recycled.

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Computer Recycling Options

Companies like Dell and Apple recycle their own products or others. Donations to organizations like Computer Aid International are also possible.

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E-cycling Process

Collection, brokering, dismantling, repair, and recycling of e-waste components and metals.

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Recycling Benefits

Preventing hazardous waste from harming the environment.

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Waste Electrical and Electronic Equipment Directive

EU regulation for sustainable disposal of appliances.(UE regulation)

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Hardware Design Challenges

Power delivery and heat dissipation are major hurdles in creating smaller, faster computer chips.

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Embedded Systems Cost

Embedded systems vary greatly in processing power and cost, from very inexpensive (less than $0.10) to high-end processors costing hundreds of dollars.

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Computer Case Function

The computer case protects internal components (motherboard, drives, PSU), controls cooling, and mitigates electromagnetic interference (EMI).

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Power Supply Unit (PSU)

Converts AC power to lower DC voltages for computer components, typically using ATX standards.

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Motherboard Role

The motherboard is the main printed circuit board connecting the CPU, RAM, storage drives, and peripherals.

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Expansion Cards

Printed circuit boards that expand computer capabilities beyond the motherboard's features.

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E-waste Recycling

Recycling computer parts is important due to harmful substances in components and for environmental protection.

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Computer Hardware Recycling

The act of reusing and reclaiming valuable materials from broken-down or outdated computers and their components.

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PC Hardware Function

The physical parts of a PC together perform functions like storing and processing data and handling user operations.

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Hazardous Materials in PCs

Computer parts contain toxic materials such as lead, mercury, and cadmium, posing environmental risks if disposed improperly.

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Computer Hardware

The physical parts of a computer, like the CPU, RAM, and motherboard.

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Computer Software

The set of instructions run by computer hardware.

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Blaise Pascal

A French mathematician who made a gear-based adding/subtracting device.

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Gottfried Leibniz

Invented the stepped reckoner that could divide and multiply.

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Charles Babbage

Designed the difference engine and a general-purpose computer.

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Alan Turing

Developed the universal Turing machine, demonstrating computer limits.

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Universal Turing Machine

A model computer that can perform any computation based on program instructions.

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George Boole

Developed Boolean algebra, enabling logical operations in computers.

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Stored-program computer

Computer where programs are stored as data, connecting hardware and software.

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Computer input/output data storage

Mechanism of input and output, crucial in early computers, using punch cards.

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Von Neumann Architecture

A computer architecture where programs and data are stored in the same memory, and a central processing unit (CPU) accesses it.

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Von Neumann Bottleneck

A performance limitation in the von Neumann architecture where fetching programs and data simultaneously causes a bottleneck in data transfer.

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Instruction Set Architecture (ISA)

The interface between a computer's hardware and software, defining the instructions the computer can execute.

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CISC architecture

Computer architecture with a large instruction set, minimizing the number of separate instructions needed to complete a task, but can be slower.

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RISC architecture

A computer architecture with a small instruction set, which is simpler and faster for executing tasks but needs more instructions.

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Memory Hierarchy

A layered arrangement of memory in a computer, organizing storage according to speed and cost, prioritizing quick access for near CPU components.

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Virtual Memory

A memory management technique that uses hardware and software to treat a portion of disk storage as additional RAM.

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Overclocking

Temporary increase in computer processor speed beyond the manufacturer's specifications, possibly increasing performance or risks damages the hardware.

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Data Parallelism

A form of parallel processing where the same operation is applied to multiple data elements at once.

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Task Parallelism

A form of parallel processing where multiple tasks are performed simultaneously and independently.

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Heat Dissipation in Hardware

Managing the release of heat generated by electronic components to prevent overheating and performance degradation.

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Embedded Systems

Small, specialized computer systems integrated into larger devices (e.g., appliances, cars).

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Computer Case Role

Provides mechanical support, protects internal components, and controls airflow for cooling.

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ATX Power Supply

A standard for PC power supply units that converts AC to DC power.

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Motherboard

The central circuit board that connects all major computer components.

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Expansion Cards

Printed circuit boards adding functionality to a computer via expansion slots.

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E-waste Recycling

The process of recovering materials from discarded electronic devices.

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Computer Hardware Toxicity

Electronic components contain hazardous materials that can cause environmental problems if disposed of improperly.

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Input/Output Devices

Hardware that allows users to input data and receive output from a computer system.

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Universal Serial Bus (USB)

A standard external bus interface for connecting devices to a computer.

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E-cycling

Recycling of computer hardware by donating, reusing, shredding, and collecting used electronics.

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E-waste

Discarded or used electronic equipment.

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Hazardous waste

Waste containing heavy metals or toxins that can harm the environment.

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Recycling of computer hardware

Preventing hazardous waste (heavy metals and carcinogens) from entering the environment.

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Waste Electrical and Electronic Equipment Directive

European Union legislation promoting the sustainable disposal of electronics.

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Lead-tin solders

Solders containing lead and tin, potentially harming the environment.

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Computer recycling

Collecting, refurbishing, and repurposing used computer components.

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E-cyclable items

Electronics like TVs, computers, microwaves, and phones that can be recycled and reused.

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Environmental impact of e-waste

E-waste can pollute groundwater, produce air pollution upon incineration and is far more dangerous than other forms of waste despite the small fraction of total waste that it comprises.

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Sustainable disposal

Environmentally friendly methods of getting rid of electronics.

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Computer Hardware

The physical parts of a computer, like the CPU, RAM, and motherboard.

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Computer Software

The set of instructions run by computer hardware.

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Peripheral Devices

Hardware not essential to the computer's main function, like a monitor or printer.

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Network Hardware

Hardware components used in computer networks; often combined in devices like routers, switches, and firewalls.

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Auxiliary Hardware

Extra Hardware that's not essential, but nice to have.

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Input Devices

Components used to enter data into a computer (e.g., keyboard, mouse).

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Output Devices

Components that display or produce output from a computer (monitor, printer).

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Computer Case

Encloses and protects computer's internal components.

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Motherboard

The main circuit board that connects all the computer's components.

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Expansion Cards

Add-on cards adding extra functionality to your computer.

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Replacing Hardware

A non-working piece of hardware can be replaced without rebuilding the whole computer.

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Device Manager

Windows utility for managing hardware resources.

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Device Driver

Software that allows hardware to communicate with the operating system.

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Hardware vs. Software

Hardware is physical, software is electronic data (like programs).

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Firmware

Instructions that bridge hardware and software.

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Troubleshooting Hardware

Finding and fixing problems with computer hardware components.

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Hardware Support

Information from manufacturers about their products, like warranties and parts.

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Computer System

The collection of hardware and software that work together to form a computer.

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Hardware Modifications

Changes to physical components of a computer—often more complex than changing software.

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Software Flexibility

Programs and data are easily updated or changed.

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Computer Hardware

The physical parts of a computer, such as the CPU, RAM, and motherboard.

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Computer Software

The set of instructions run by computer hardware.

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Peripheral Devices

Hardware not involved in the computer's main function, like a monitor or mouse.

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Motherboard

The main circuit board that connects all essential computer components.

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Input Devices

Components for entering data into a computer, like keyboards and mice.

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Output Devices

Components that display or produce output from the computer, like monitors and printers.

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Hardware Failure

Components failing due to usage and cooling cycle.

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Network Hardware

Hardware components related to a computer network, such as routers and switches.

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Auxiliary Hardware

Additional hardware, either internal or external, not directly part of the primary computer function.

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Embedded Systems

Small computer systems integrated into larger devices.

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Hardware Troubleshooting

Finding and fixing problems with computer parts like hard drives or RAM.

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Device Manager

Windows tool for managing hardware; can identify and fix problems.

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Hardware vs. Software

Hardware are the physical parts, software are the instructions.

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Firmware

Software that controls hardware directly; ties hardware and software together.

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Device Drivers

Software that tells the computer how to use a specific hardware device.

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Computer Hardware Replacement

Replacing a broken computer part without rebuilding the whole system.

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Computer System Components

The various parts that work together to create a computer system.

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Software

Instructions the computer executes, stored as data files.

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Hardware

The physical parts of a computer, like the CPU and monitor.

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Replacement Parts

New hardware components for repairing or upgrading the computer.

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Computer Hardware

The physical parts of a computer, such as the CPU, RAM, and motherboard.

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Computer Software

The set of instructions that computer hardware executes.

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Peripheral Device

A hardware component (internal or external) not directly involved in the computer's core functions.

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Hardware Failure

The malfunction of a computer's physical component due to use.

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Motherboard

The main circuit board in a computer that connects other components.

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Expansion Cards

Printed circuit boards that add functionality to a computer through slots.

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Power Supply Unit (PSU)

Converts AC to DC power, providing electricity to the computer.

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Input Device

A component used to enter data into the computer.

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Output Device

A component to display or provide output from the computer.

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Network Hardware

Hardware for connecting computers in a network.

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Computer Hardware

The physical parts of a computer system, including the motherboard, CPU, RAM, and storage devices.

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Device Manager

A Windows utility that helps manage and troubleshoot computer hardware.

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Firmware

Computer instructions embedded onto hardware devices, facilitating interaction between hardware and software.

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Software

Electronic instructions, like programs and operating systems, that tell the hardware what tasks to do.

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Hardware Troubleshooting

Identifying and resolving problems with computer hardware components.

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Device Driver

Software that allows an operating system to communicate with a particular hardware device.

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Hardware Replacement

Changing a component in a computer system without rebuilding the whole system.

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Computer Components

The individual parts that make up a computer system, such as the CPU, RAM, and storage.

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Hardware Resource Management

The process of efficiently using and coordinating computer hardware resources.

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Troubleshooting Resources

Information sources for finding solutions to computer problems.

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Computer Hardware Components

The physical parts of a computer, like the CPU, memory, and storage devices, that work together to accomplish tasks.

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Computer Function

The overall operation and processing of information within a computer system, from input to output.

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Essential Computer Components

The core parts of a computer needed for its basic operation, including the CPU, RAM, and storage.

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Computer's Role

Essential tool for work and personal tasks, enabling calculations, communication, and information access.

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Hardware Upgrades

Improving computer performance by replacing or adding better components, like faster processors or more memory.

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Cache Memory

Small, high-speed memory that stores frequently accessed data, speeding up computer operations.

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RAM

Volatile memory storing data and instructions currently used by the computer.

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Workstations

High-performance computers for technical or scientific tasks.

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ROM

Non-volatile memory storing instructions that rarely change, like initial startup instructions.

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Embedded Systems

Specialized computer systems inside larger devices.

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Hard Disk Drive (HDD)

Traditional storage device using magnetic disks to hold large amounts of data persistently.

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Heat Sinks

Passive cooling devices for computer components.

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Solid State Drive (SSD)

Faster storage device using flash memory for quicker data access compared to HDDs.

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Cache Memory

Fast memory that stores frequently accessed data.

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Input Devices

Components used to enter data into a computer.

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RAM

Volatile memory for storing active data and programs.

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Output Devices

Components that display or produce computer output.

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Hard Disks

Traditional storage using magnetic platters.

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Motherboard

The main circuit board connecting all computer components.

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Solid State Drives

Fast storage using flash memory.

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CPU

The central processing unit of the computer that performs calculations and executes instructions.

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Motherboard

Main circuit board connecting all computer components.

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Router

A device that forwards data packets between computer networks.

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CPU

The processor that performs calculations and instructions.

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GPU

Processor for accelerating graphics rendering.

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CPU

The central processing unit, the brain of the computer, responsible for executing instructions.

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RAM

Random Access Memory, a temporary storage space for data and programs that the CPU is actively working with.

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Motherboard

The main circuit board in a computer that connects all components.

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Hard Drive

The primary storage device for persistently storing data.

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Graphics Card

A circuit board that handles video output to the monitor.

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BIOS

Basic Input/Output System, firmware that starts the computer and initializes hardware.

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Monitor

The visual output device that displays images and information.

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Cooling System

A computer system for preventing overheating of components.

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USB

Universal Serial Bus, a standard interface for connecting peripherals to a computer.

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Clock Speed

The speed at which a processor executes instructions, measured in Hz.

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CPU

Central Processing Unit; the brain of the computer, executing instructions.

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RAM

Random Access Memory; temporary storage for active programs and data.

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Motherboard

The main circuit board in a computer that connects all components.

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Graphics Card

Processes and displays images and video.

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Hard Drive

Permanent storage for files and programs.

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SSD

Solid State Drive; faster storage alternative to a hard drive.

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BIOS

Basic Input/Output System; initial startup instructions for the computer.

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Monitor

Output device that displays visual information.

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Clock Speed

The speed at which the CPU executes instructions.

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Overclocking

Increasing the clock speed of a computer component beyond the manufacturer's specifications.

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CPU

Central Processing Unit; the brain of the computer, performing calculations and instructions.

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RAM

Random Access Memory; temporary storage of data and instructions that the CPU is actively using.

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Motherboard

The main circuit board connecting all computer components.

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Hard Drive

A permanent storage device for long-term data.

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Graphics Card

A component responsible for generating image output for the monitor.

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BIOS

Basic Input/Output System; initial instructions to start the computer.

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Monitor

Display device to show processed information.

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Clock Speed

Indicates how fast the CPU processes instructions.

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Form Factor

The physical size and shape of a computer component, especially the case.

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Overclocking

Increasing a computer component's clock speed beyond the manufacturer's specifications.

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CPU

The brain of the computer, performing calculations and executing instructions.

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GPU

A specialized processor for handling graphical tasks.

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RAM

Temporary memory holding data being actively used by the computer.

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Motherboard

The main circuit board of a computer, connecting all components.

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Hard Drive

Primary data storage device for permanent storage.

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SSD

A solid-state storage device for faster data access.

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Clock Speed

The speed at which a CPU performs operations, measured in Hertz.

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BIOS

The firmware that initializes the computer hardware.

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Monitor

Displays information from the computer.

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USB

A common interface for connecting peripheral devices.

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CPU Impact on Performance

The CPU's speed and architecture directly affect how quickly a computer can process tasks.

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Motherboard Selection Factors

Consider the CPU socket, expansion slots, and compatibility with other components when choosing a motherboard.

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RAM for Computing Needs

The amount of RAM determines how many programs can open simultaneously without performance issues.

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Graphics Card Choice

Consider the needed performance for gaming or professional use when selecting a graphics card.

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Power Supply Unit (PSU)

The PSU converts electricity and provides enough power for all computer components.

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Storage Options (HDD/SSD)

Hard disk drives (HDD) are cheaper but slower, while solid-state drives (SSD) are faster but more expensive.

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Computer Case Considerations

Choose a case that fits your components, provides adequate cooling, and suits your aesthetic preferences.

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Cooling Solutions for Components

Choose cooling solutions optimized for CPU and graphics card temperatures.

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Hardware Compatibility

Ensure all components are compatible to prevent conflicts.

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Custom vs. Pre-built PC

Building a custom PC offers more control but is more complex than buying pre-built.

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Ethical use of technology in a global context

How technology's use affects different cultures and societies worldwide, considering moral principles.

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Ethical implications of remote learning

Moral considerations when using technology for education, especially in underserved communities.

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Data retention & right to be forgotten

Ethical issues around how long data is kept and users' rights to erase personal information.

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Autonomous healthcare robots

Ethical concerns regarding robotic medical devices and their use in healthcare.

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E-waste and environmental ethics

Ethical responsibility for responsible handling & environmental safety in tech manufacturing.

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Social media and political manipulation

Ethical problems stemming from using social media to influence/manipulate political opinions.

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National security vs. individual privacy

Ethical balancing of government protection needs against citizen's privacy in surveillance programs.

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VR/AR applications and ethics

Moral questions about the use and potential effects of virtual and augmented reality.

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IoT and smart devices ethics

Ethical considerations related to privacy and consent with internet-connected devices.

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Ethical digital footprint and behavior

Moral responsibilities of users regarding their online actions and presence.

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Graphics Card VRAM

The video memory on a graphics card, affecting the number of textures, models, and details a game or application can display.

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SSD vs HDD Boot Drive

Solid-state drives (SSDs) offer faster boot times and data access compared to hard disk drives (HDDs) when used as a primary boot drive.

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RAM Speed and Capacity

Choose RAM with a speed appropriate for your tasks and sufficient capacity to handle your programs and applications.

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Chipset Compatibility

The chipset on a motherboard determines compatibility with certain CPUs, RAM, and other hardware to ensure optimal performance.

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ESD Protection

Essential safety precaution to prevent electrostatic discharge (ESD) damage to sensitive computer components during assembly.

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Computer Case Airflow

Assessing the size and ventilation of a computer case is essential for cooling and preventing overheating by facilitating airflow.

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80 PLUS PSU Certification

A power supply unit (PSU) with 80 PLUS certification signifies higher energy efficiency and reduced wasted power.

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Gaming Monitor Refresh Rate

Select a gaming monitor based on its refresh rate (frames per second) to deliver smooth visuals for gaming and other applications.

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Motherboard PCIe Slots

Ensure your motherboard has sufficient PCIe expansion slots for future upgrades (e.g., graphics cards, sound cards).

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CPU Compatibility

Ensure your CPU is compatible with the motherboard's socket and chipset for proper installation and function.

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CPU Impact on Performance

A faster CPU generally leads to more efficient and quicker processing of tasks.

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Motherboard Selection Factors

Consider form factor (ATX, Micro-ATX), expansion slots, and compatibility with other components when choosing a motherboard.

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Optimal RAM Amount

The required RAM depends on the tasks you perform; more RAM typically means smoother multitasking.

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Graphics Card (GPU) Choice

GPU selection depends on whether you need it for gaming or professional use (video editing, etc.) - high-end GPUs are needed for demanding tasks.

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Power Supply Unit (PSU) Selection

The PSU's wattage and efficiency need to match your system's total power consumption requirements.

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Graphics Card Selection

Choosing a graphics card involves considering VRAM (video memory), clock speed (processing speed), and cooling solutions (to prevent overheating).

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Computer Case Sizing

Assessing case size and airflow is crucial for optimal cooling, ensuring sufficient space for components and promoting proper airflow.

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SSD vs HDD Boot Drive

Solid-state drives (SSDs) provide faster boot times and data access than hard disk drives (HDDs), making them ideal for primary boot drives.

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RAM Selection

Choosing appropriate RAM speed and capacity involves matching it with the tasks you'll perform on your computer.

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Motherboard Chipset

The motherboard chipset influences component compatibility and overall system performance.

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Study Notes

Computer Memory

  • ROM (Read-Only Memory): Brief overview.
  • CMOS: Details on CMOS.
  • RAM (Random Access Memory): Explains random access. Details on volatility (volatile vs. nonvolatile). Explores bits, bytes, and words. Covers memory speeds.
  • RAM Types: Explores static RAM (SRAM) and dynamic RAM (DRAM).
  • Matching Memory to Motherboard: Details.
  • Parity Memory: Explains parity memory.
  • DRAM Technologies: Discusses various DRAM technologies.
  • Video RAM: Information on video RAM.
  • Parameter RAM: Explanations on parameter RAM.
  • Logical Memory Configuration: Covers conventional memory, upper memory area, extended memory, and the high memory area.
  • Dealing with Memory Errors: Explains common memory errors, software diagnostic tools, and memory testing tools.
  • Installing Memory Modules: Instructions for installing SIMMs and DIMMs, configuring for memory, and removing memory modules.

Cache Memory

  • Caching on Personal Computers: Discusses cache functionality on PCs
  • SRAM and Cache Memory: Relationship between SRAM and cache memory is detailed
  • Caching in Operation: Explains operation of caching.
  • Video RAM Technologies: Information about different video RAM technologies.
  • Bus Mastering: Explanation of bus mastering.
  • Video Chipsets: Details on video chipsets.
  • Video BIOS: Describes the video BIOS.
  • RAMDAC: Details about RAMDAC, or RAM Digital-to-Analog Converter.
  • 3D Graphics: Description of 3D graphics, including details like acceleration, transformation and lighting, setup, and rendering.
  • Installing a Video Card: Guide to video card installation.
  • Troubleshooting Video Card Issues: Diagnosis for common video problems like non-display, scrambled display, fuzzy display, missing settings in Windows, and unable to achieve higher resolution.
  • Upgrading Video RAM: Instructions on how to upgrade video card RAM.

System Resources

  • CPU Attention: Explores how the CPU gets attention.
  • Communicating with Devices: Details on device communication.
  • Taking Control: Describes how the PC takes control of devices.
  • System Resources: Details specific to PC system resources.
  • Interrupt Request (IRQ): Description of IRQ, IRQ settings, connections, assignments, configuration, and programmable interrupt controllers.
  • I/O Addresses: Details about I/O addresses, common assignments, addressing in Windows, logical devices and implications.
  • Memory Addresses: Details on memory addresses.
  • Direct Memory Access (DMA): Explains DMA operation, internal/external DMA, and levels of cache.

Hard Disks and Floppy Disks

  • Hard Disk Drives (HDDs): Hard disk construction, spindle motor, storage media, read/write heads, head actuators, air filters, logic boards, connectors, jumpers, and bezels.
  • Interfaces: Different hard disk interfaces, including ST506/412, ESDI, IDE, SCSI, FC-AL, system bus interface.
  • Transfer Protocols: Explanation of data transfer protocols.
  • Data Addressing: Explanations on data addressing methods.
  • Disk Capacities: Disk capacity details.
  • Hard Disk Performance: Details about performance.

Other Computer Types

  • Minicomputers: Definition, functionality, features (smaller mainframes), comparison to mainframes, and use cases.
  • Supercomputers: Definition and intended use-cases.
  • Embedded Computers: Brief mention (no specific details).

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Description

Test your knowledge on various types of computer memory including ROM, RAM, and cache. This quiz covers essential concepts such as memory speed, types of RAM, and error management. Enhance your understanding of how memory works in computing systems.

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