anatomy of a computer

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Across
  1. 2. they usually get coloured purple and green
  2. 4. it lets the processor communicate with the pc's peripherals
  3. 8. if you have an older device you probably connect your device to it
  4. 11. sit is also known as COM port
  5. 13. they protrude from the back of the computer
Down
  1. 1. many peripherals such as mp3, modren printers and pdas require it
  2. 3. one of the main parts of a computer
  3. 5. you can use it to connect to many different types of peripherals
  4. 6. houses our graphics card
  5. 7. gives you better sound quality
  6. 9. it funnels power through muticoloured cables
  7. 10. the brain that carries out your computers instructions
  8. 12. it stores temporary information