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Questions and Answers
What does a Power Supply Unit (PSU) do?
What does a Power Supply Unit (PSU) do?
- Stores data long-term
- Displays output from the computer
- Converts electrical power for computer components (correct)
- Processes data from input devices
An SSD is primarily used for temporary data storage.
An SSD is primarily used for temporary data storage.
False (B)
What is a primary characteristic of centralized operating systems?
What is a primary characteristic of centralized operating systems?
- They are also referred to as tightly coupled systems. (correct)
- They operate without any network connection.
- They require frequent manual updates.
- They are known for their decentralized nature.
Real-time operating systems are beneficial for situations with many events occurring in a short time.
Real-time operating systems are beneficial for situations with many events occurring in a short time.
Name two examples of input devices.
Name two examples of input devices.
What do centralized operating systems rely on for security and maintenance?
What do centralized operating systems rely on for security and maintenance?
The Internet is many networks around the world connected together to form one huge _____ .
The Internet is many networks around the world connected together to form one huge _____ .
Match the following types of computer usage with their examples:
Match the following types of computer usage with their examples:
The centralized operating systems are known for their __________ functionality.
The centralized operating systems are known for their __________ functionality.
Match the following terms with their descriptions:
Match the following terms with their descriptions:
Which of the following is NOT a part of a computer's cooling system?
Which of the following is NOT a part of a computer's cooling system?
COPPER phone wires can be used to connect computers in a network.
COPPER phone wires can be used to connect computers in a network.
What is one potential future advancement in computing mentioned?
What is one potential future advancement in computing mentioned?
What is one of the primary roles of an operating system in terms of security?
What is one of the primary roles of an operating system in terms of security?
The operating system does not monitor the hardware for damage.
The operating system does not monitor the hardware for damage.
Name one feature of operating systems that aids in multitasking.
Name one feature of operating systems that aids in multitasking.
The operating system provides _______ that helps in managing resources such as memory and CPU.
The operating system provides _______ that helps in managing resources such as memory and CPU.
Match the following features of operating systems with their descriptions:
Match the following features of operating systems with their descriptions:
Which of the following is NOT a feature provided by an operating system?
Which of the following is NOT a feature provided by an operating system?
Firewalls are not considered part of the security measures for an operating system.
Firewalls are not considered part of the security measures for an operating system.
What alerts does the operating system display during the error detection process?
What alerts does the operating system display during the error detection process?
Which of the following is NOT a mobile operating system?
Which of the following is NOT a mobile operating system?
Mobile operating systems are typically user-friendly.
Mobile operating systems are typically user-friendly.
Name one advantage of using an operating system.
Name one advantage of using an operating system.
Mobile operating systems allow different applications to run ________.
Mobile operating systems allow different applications to run ________.
Match the following mobile operating systems with their characteristics:
Match the following mobile operating systems with their characteristics:
Which of the following is considered a disadvantage of operating systems?
Which of the following is considered a disadvantage of operating systems?
Operating systems provide a platform for software development.
Operating systems provide a platform for software development.
List one common feature that mobile operating systems offer to users.
List one common feature that mobile operating systems offer to users.
What is multi-threading primarily defined as?
What is multi-threading primarily defined as?
Multitasking and multi-threading are the same concepts.
Multitasking and multi-threading are the same concepts.
What are some examples of tasks that can run in threads while working in MS Word?
What are some examples of tasks that can run in threads while working in MS Word?
In multi-threading, threads share the same _____ and data.
In multi-threading, threads share the same _____ and data.
Match the following terms with their descriptions:
Match the following terms with their descriptions:
A single process can consist of multiple threads.
A single process can consist of multiple threads.
What is the term used for segments of a process in multi-threading?
What is the term used for segments of a process in multi-threading?
Which of the following statements is true regarding threads?
Which of the following statements is true regarding threads?
Study Notes
Computer Components
- Hard Disk Drive (HDD) and Solid State Drive (SSD) serve as primary long-term storage devices.
- Power Supply Unit (PSU) converts electrical power from outlets into a form usable by computer components.
- Input devices such as keyboards, mice, and scanners allow users to enter data into computers.
- Output devices like monitors and printers display or produce results from computer processes.
- Cooling systems, including fans and liquid cooling, maintain safe temperatures for computer components.
Networking and the Internet
- A network consists of interconnected computers that share information and resources.
- Computers connect through copper phone wires, fiber optic cables, and radio waves.
- The Internet is a vast network of interconnected local networks around the globe.
Modern Applications of Computers
- Computers play vital roles in sectors such as education, business, healthcare, and entertainment.
Future of Computing
- Future advancements include artificial intelligence, quantum computing, and the growth of the Internet of Things (IoT).
- Innovations in computing will significantly influence daily life and work environments.
Computer Architecture
- Definition: Computer architecture refers to the way different components of a computer are organized and work together.
- Understanding different architectures helps differentiate various computing devices.
Operating System Features
- Ensures user data integrity and confidentiality through protection measures like login systems and firewalls.
- Conducts error detection checks for threats or damage in both software and hardware.
- Implements job scheduling to efficiently handle multitasking by determining application run order and time allocation.
- Other vital features include memory management, file system abstraction, networking support, security, user interface provision, utilities, system services, and maintenance.
Networking and Security Management
- Centralized servers are used in small networks (LANs) for sharing files, applications, printers, and other resources.
- Real-time operating systems are critical for applications requiring immediate responses, such as medical imaging and robotics.
- Mobile operating systems (e.g., Android, iOS) must balance user-friendliness with battery efficiency.
Advantages and Disadvantages of Operating Systems
- Advantages include efficient hardware use, concurrent application management, user interfaces, security management, and resource allocation.
- Complexities can make some operating systems challenging for users.
Multi-Threading vs. Multi-Tasking
- Multi-tasking refers to running multiple applications simultaneously, while multi-threading allows a single process to execute multiple threads concurrently.
- Threads within a process can share resources such as code, files, and data, which improves efficiency during tasks like auto-saving and spell-checking in applications.
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Description
This quiz covers essential components of computer hardware, including storage devices like HDDs and SSDs, power supply units, input and output devices, and cooling systems. Test your knowledge on these critical elements that make computers functional and efficient.
