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Questions and Answers
What is the term for 1,000 bytes?
What is the term for 1,000 bytes?
- Megabyte
- Terabyte
- Kilobyte (correct)
- Gigabyte
What is the term for 1 million bytes?
What is the term for 1 million bytes?
- Gigabyte
- Megabyte (correct)
- Terabyte
- Kilobyte
What is the term for 1 billion bytes?
What is the term for 1 billion bytes?
- Terabyte
- Megabyte
- Kilobyte
- Gigabyte (correct)
What does CPU stand for?
What does CPU stand for?
What is the process of retrieving data from a storage device?
What is the process of retrieving data from a storage device?
What is the process of copying data to a storage device?
What is the process of copying data to a storage device?
To avoid losing data, you should have ______.
To avoid losing data, you should have ______.
Formatted hard disks have ___ and ___ that the system software uses to reference data locations.
Formatted hard disks have ___ and ___ that the system software uses to reference data locations.
What is the brain of the computer?
What is the brain of the computer?
What are the electrical data roadways through which bits are transmitted?
What are the electrical data roadways through which bits are transmitted?
What is an expansion card that allows transmission of data over a cabled network?
What is an expansion card that allows transmission of data over a cabled network?
What part of the disk-drive mechanism transfers data between the computer and the disk?
What part of the disk-drive mechanism transfers data between the computer and the disk?
What are RAM chips critical for?
What are RAM chips critical for?
Match the following operations with their types:
Match the following operations with their types:
How many bits make up 1 byte?
How many bits make up 1 byte?
What is the term for using molecules to create tiny machines for holding data and performing tasks?
What is the term for using molecules to create tiny machines for holding data and performing tasks?
What tiny electronic device acts as an on/off switch?
What tiny electronic device acts as an on/off switch?
What is silicone used for in electronics?
What is silicone used for in electronics?
What does binary refer to in computer systems?
What does binary refer to in computer systems?
What is the specialized processor used to manipulate 3D graphics?
What is the specialized processor used to manipulate 3D graphics?
What does USB stand for?
What does USB stand for?
What format is used to hold prerecorded text, graphics, and sound?
What format is used to hold prerecorded text, graphics, and sound?
What is binary code made up of?
What is binary code made up of?
What is another term for primary storage?
What is another term for primary storage?
Which device is not included on a computer's motherboard?
Which device is not included on a computer's motherboard?
What is used to hold data and instructions that will be used shortly by the CPU?
What is used to hold data and instructions that will be used shortly by the CPU?
What coding scheme is widely used on microcomputers?
What coding scheme is widely used on microcomputers?
What unit is used to measure processing speed in microcomputers?
What unit is used to measure processing speed in microcomputers?
What is the expansion bus specializing in graphics processing?
What is the expansion bus specializing in graphics processing?
What element is commonly used in making solid-state integrated circuits?
What element is commonly used in making solid-state integrated circuits?
What are high-speed areas that temporarily store data during processing?
What are high-speed areas that temporarily store data during processing?
What is also called a USB drive or a keychain drive?
What is also called a USB drive or a keychain drive?
What is cloud storage also called?
What is cloud storage also called?
The bus connects the computer's control unit and ALU.
The bus connects the computer's control unit and ALU.
A machine cycle comprises the instruction cycle and execution cycle.
A machine cycle comprises the instruction cycle and execution cycle.
Virtual memory is hard-disk space used to expand RAM capacity.
Virtual memory is hard-disk space used to expand RAM capacity.
Main memory is nonvolatile.
Main memory is nonvolatile.
A multicore processor is designed to let the operating system divide the work over more than one processor.
A multicore processor is designed to let the operating system divide the work over more than one processor.
Pipelining speeds up processing.
Pipelining speeds up processing.
USB can connect up to 127 devices.
USB can connect up to 127 devices.
A petabyte is 1 quadrillion bytes.
A petabyte is 1 quadrillion bytes.
Online secondary storage services test your computer's RAM capacity.
Online secondary storage services test your computer's RAM capacity.
HDMI connections support both video and audio signals.
HDMI connections support both video and audio signals.
ASCII is binary code that is most widely used on microcomputers.
ASCII is binary code that is most widely used on microcomputers.
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Study Notes
Data Measurement Units
- Kilobyte (KB) = 1,000 bytes; Megabyte (MB) = 1 million bytes; Gigabyte (GB) = 1 billion bytes.
- A Byte consists of 8 bits.
Central Processing Unit (CPU)
- Serves as the brain of the computer, executing instructions from programs.
- Functions include processing data and controlling other components in a computer system.
Data Operations
- Read: Retrieving data from a storage device.
- Write: Copying data to a storage device.
Data Management
- Backup files are crucial for preventing data loss.
Disk Storage Structure
- Formatted hard disks have tracks and sectors to organize data.
- Read/write heads are mechanisms transferring data between the computer and disk.
Networking Components
- Network Interface Card (NIC) enables data transmission over wired networks.
- USB (Universal Serial Bus) is the primary interface for connecting peripherals.
Memory Types
- RAM (Random Access Memory) is the main memory that affects computer performance.
- Virtual memory utilizes hard disk space to supplement RAM, expanding capacity.
Processing Concepts
- Arithmetical operations involve basic math functions (addition, subtraction, etc.).
- Logical operations involve comparisons (e.g., equal to, greater than).
- Gigahertz (GHz) measures processing speed in microcomputers.
Computing Technologies
- Graphics Processing Unit (GPU) primarily handles 3D graphics manipulation.
- Nanotechnology involves creating tiny machines for data storage and task execution.
Electronic Components
- Transistors act as on/off switches in electronic devices.
- Silicon is a key material in making semiconductor components and integrated circuits.
File Formats and Code
- CD ROM (Compact Disc-Read Only Memory) is used for pre-recorded data storage.
- ASCII (American Standard Code for Information Interchange) is a widely used coding scheme for representing text.
Storage Types
- Flash drive is also known as a USB drive or keychain drive.
- Cloud storage is referred to as online storage.
Other Technical Insights
- HDMI connections support both audio and video signals.
- Multicore processors enable workload distribution across multiple processing cores.
- Pipelining enhances processing efficiency through a streamlined instruction execution process.
True/False Statements
- Virtual memory expands RAM capacity by utilizing hard disk space (True).
- Main memory (RAM) is nonvolatile (False).
- USB can connect up to 127 devices (True).
- A petabyte equals 1 quadrillion bytes (True).
- High-speed temporary storage during processing is handled by registers.
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