Find the Mysteries of Computer parts!

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Across
  1. 2. a device that lets sound out that is wanted by the computer
  2. 3. a device that allows you to enter characters into a computer
  3. 7. a compact disc.
  4. 11. the part that executes the commands
  5. 13. a device that uses light to detect movement
  6. 14. a printed circuit board that controls the output to a display screen.
Down
  1. 1. the main printed circuit board
  2. 4. used to provide an internet connection, connect devices to a local network.
  3. 5. a device which allows a computer to read from and write on to computer disks.
  4. 6. a device that connects to different cables
  5. 8. wireless technology used to connect computers, tablets, smartphones and other devices to the internet.
  6. 9. using radio to transmit signals.
  7. 10. something that cools off the parts inside the computer
  8. 12. a device which allows a computer to read from and write on to computer disks.
  9. 15. something thats able to store large amounts of data