review

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Across
  1. 3. Executes the value to the accumulator and carries out the action
  2. 4. small storage space with fast access to data
  3. 7. drive reads or writes data using a leaser
  4. 8. Drive where all data is stored with slow access to data
  5. 11. trick to try to get people's information
  6. 12. Holds recently or frequently used data to avoid waiting for slow RAM
  7. 16. Analyze the instruction and determines operation and data required
  8. 18. It handles all mathematical calculations and logic
  9. 19. Group of chips that connects the CPU to other parts of the computer
  10. 21. It stores memory on memory chips. It has no moving parts and it's fast
Down
  1. 1. Circut board that communicates and connects components
  2. 2. Do things to your computer
  3. 5. Starts the computer and checks the hardware when you turn it in
  4. 6. Retrives instructions from the memory
  5. 9. holds data currently being processed
  6. 10. Holds computer hostage
  7. 13. A controller that sends control signals to many parts
  8. 14. Sink removes heat from the computer
  9. 15. Shows graphics on the screen effectively
  10. 17. does most calculations and stores low data
  11. 20. reads and writes data magnetically