Anatomy of computer

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Across
  1. 1. many devices have multiple ports for this
  2. 3. the power supply unit
  3. 4. allows processor to commune with peripherals
  4. 6. Keeps most of computer's components
  5. 8. the CPU stores temporary info in this
  6. 10. you can add modems to this component
  7. 11. brain that carries out instruction's
  8. 12. component is being replaced by USB's
Down
  1. 2. used for better sound quality
  2. 5. also known as communications port
  3. 7. used to connect many different peripherals
  4. 9. keeps graphics card
  5. 13. the colored ports for the mouse and keyboard