Find the mysterys of Computer parts!

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