1. action the operating part that transmits power to a mechanism
  2. memory an electronic storage device
  3. store an electronic memory device
  4. key a lever that actuates a mechanism when depressed
  5. action mechanism the operating part that transmits power to a mechanism
  6. bus an electrical conductor that connects several circuits
  7. busbar an electrical conductor that makes a common connection between several circuits
  8. cathode-ray oscilloscope electronic equipment that provides visual images of varying electrical quantities
  9. cathode-ray tube a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
  10. central processing unit the part of a computer that does most of the data processing
  11. central processor the part of a computer that does most of the data processing
  12. chip a small crystal of a silicon semiconductor
  13. computer accessory an accessory for a computer
  14. computer circuit a circuit that is part of a computer
  15. computer hardware (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
  16. computer memory an electronic memory device
  17. computer peripheral (computer science) electronic equipment connected by cable to the CPU of a computer
  18. computer storage an electronic memory device
  19. C.P.U. the part of a computer that does most of the data processing
  20. CPU the part of a computer that does most of the data processing

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