Derek's amazing crossword puzzle

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Across
  1. 3. lets you cennect to internet
  2. 5. device for connecting pieces of equipment that cannot be connected directly
  3. 6. Central Processing Unit
  4. 7. the brain of a computer
  5. 9. a device or substance for absorbing excessive or unwanted heat
  6. 10. devices it gives you what you want when you use an input device to give it a command
  7. 11. used to make devices go online
  8. 13. magnetic storage medium
Down
  1. 1. controls the how good you see things on the moniter
  2. 2. keeps memory on your computer
  3. 4. a device which can be slotted into a computer to allow the use of audio components for multimedia applications
  4. 7. you see whats going on inside your computer
  5. 8. programs and other operating information used by a computer
  6. 12. digital versatile disk
  7. 13. High-Definition Multimedia Interface