crossword

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Across
  1. 3. program that microprocessor uses
  2. 5. data that can not be changed
  3. 9. put into a computer to input data
  4. 12. sends multiple bits of data at once
  5. 14. physical aspects of a computer
  6. 16. used for attaching hardware in a computer
Down
  1. 1. temporary storage
  2. 2. switch for electronic signals
  3. 4. allows PC to transmit or receive data
  4. 6. connects hardware to a processer
  5. 7. the main processer
  6. 8. data transfer used to connect computers
  7. 10. program used to operate a computer
  8. 11. inputs and outputs audio
  9. 13. supplies power to computer
  10. 15. attaches a video card to a computer