Across
- 4. A CPU's clock speed stated in a billion cycles per second
- 7. Part of CPU; performs arithmetic calculations and logical operations
- 8. The case that contains a computer's main system components
- 11. Type of memory that loses its contents when power is turned off; RAM
- 12. The fetching and decoding operations that make up the machine cycle
- 15. The four basic operations that the CPU carries out
- 17. Stores the basic data the ALU needs to perform its calculations and the results of of it
- 19. Permanent memory that does not lose its contents when power is turned off; ROM
- 20. Memory that helps the CPU to speed up processing
Down
- 1. Roughly equivalent to one character
- 2. Swapping of data by the OS between RAM and virtual memory
- 3. The number of instructions the CPU can process per second
- 5. The computer's main circuit board
- 6. A single chip that contains more than one processor; boosts the speed of the computer
- 9. Technique that allows the OS to handle many parts of a single program
- 10. Memory stored on single chips on the motherboard; cannot be overwrited
- 13. Thin metal plate or board with an extensive electronic circuit
- 14. Coordinates all of the processor's activities and manages the flow of information
- 16. A CPU's clock speed stated in a million cycles per second
- 18. The executing and storing operations that make up the machine cycle
- 21. Single computer chip that contains circuitry to process data