Anatomy of a Computer

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Across
  1. 3. Much older and slower than USB. Also known as COM
  2. 7. Older printers and scanners use this to connect to the PC
  3. 8. A very common way to connect different peripherals
  4. 11. Houses most of the computer's components
  5. 12. Carries out instructions
Down
  1. 1. Can be used to connect different peripherals
  2. 2. Lets peripherals communicate quickly with processor
  3. 4. Old keyboards and mice use this to connect to the PC
  4. 5. Houses the graphics card
  5. 6. Stores temporary information
  6. 7. Funnels power to each device
  7. 9. Performs system checks when starting main OS
  8. 10. Used for better sound quality. Usually already in the motherboard.