year 11 chapter 1 part 2

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Across
  1. 2. contains information every time a computer is switched on
  2. 3. external connecting socket
  3. 5. binary digit
  4. 6. capacity is expressed in bits
  5. 9. contains main components of a computer
  6. 11. most expensive type of computers
  7. 13. wireless data transfer between devices
  8. 16. port used to connect piano
  9. 17. component of CPU
  10. 19. improves computer performance
  11. 21. volatile storage
  12. 23. high performance serial bus
  13. 24. port used to hook printers
  14. 25. consists of 8 bits
Down
  1. 1. responsible for retrieving instructions from memory
  2. 3. storage where information are held temporarily
  3. 4. additional storage unit that makes processing efficient
  4. 7. controls speed of operations within a computer
  5. 8. chip that holds program
  6. 9. blank disk recorded by user
  7. 10. port used to attach modem
  8. 12. word used interchangeably with microprocessor
  9. 14. disk that store data on both side
  10. 15. flat circuit board in a microcomputer
  11. 18. sequential storage device
  12. 20. another name given to ROM
  13. 22. type of memory used to compensate lack of RAM