Chapter Review Activities

1. C: Represents one binary digit 2. D: Kilobyte 3. C: 64 bits per quadruple word 4. A: Used for short-term memory C: Used to process data 5. A: The CPU tells the RAM which address holds the data that the CPU wants to read. 6. C: Character set 7. D: The binary equivalent of decimal 123456789 8. A: An actuator arm 9. B: Provides a convenient way to name a set of data for easier operations like copying and moving C: Name give users an easy way to reference the data D: Gives the CPU an easy way to identify the data it wants to read from RAM 10. C: By reading the files and auto generating directory structure for the files, for use on your classmate’s local computer 11. C: Changing the disk’s surface so that later the light will reflect differently for 0 or 1 12. B: Used for long-term memory D: Connects to the CPU over a bus using a cable 13. A: Actuator arm C: Platters 14. A: RAM D:USB flash drive 15. D: The binary equivalent of decimal 123456789 16. D: By closing an electrical circuit connected to the key when the key is pressed 17. B: Two dimensions: movement as two numbers: one in the direction of the X axis of an X,Y graph and the other on the y axis. 18. C: Input of commands that control the computer 19. A: 1280 is the number of items top to bottom in a grid on the screen. D: 1024 is the number of items top to bottom in a grid on the screen. 20. A: Information that identifies each individual pixel on the computer display

List the Words Inside Acronyms
Random-access memory (Ram): A type of short-term computer memory (storage) used by computers, primarily used as temporary working memory by the CPU
Megabytes (MB): 1,048,576 bytes, or if rounding, 1,000,000 (1 million) bytes.
Hard disk drive (HDD): A device that stores files, as directed