On the outside of a desktop computer

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Across
  1. 2. Card that displays images and texts on the screen
  2. 4. Where is connected one input / output device on the rear panel?
  3. 8. Displays which don't use much desk space
  4. 10. Use less desk space than a mouse
  5. 11. Used to control the pointer on the screen
  6. 13. Where the microphone is plugged in
  7. 15. The port to go on the Internet
  8. 17. The button to turn on a computer
Down
  1. 1. Where the sound get out from a computer
  2. 3. The type of drive which reads and writes CD or DVD
  3. 5. The power cord is connected to the power ......
  4. 6. The slots which allow you to upgrade your computer
  5. 7. The computer which combines the monitor and case into a single unit
  6. 9. Conteins the main components of the computer
  7. 11. To view anything on your computer
  8. 12. The port to connect the older printers
  9. 14. Universal Serial Bus
  10. 16. The most common type of computer case
  11. 17. The old input ports for keyboards and mouse