What is a computer? revision

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Across
  1. 3. _______ purpose computer has lots of uses
  2. 7. this memory needs electricity
  3. 9. this computer is inside another device
  4. 10. a personal, portable computer
  5. 11. random ______ memory
Down
  1. 1. bad software
  2. 2. a device outside but connected to the computer
  3. 4. a device that is both input and output, containing a microphone and headphones
  4. 5. this stores start up instructions
  5. 6. a manual input device
  6. 8. storage - non volatile memory that can be inside and outside the computer
  7. 12. this controls everything in the computer; like the brain