computer science revision

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Across
  1. 3. holds the results of the calculations
  2. 7. my favorite word
  3. 8. is volatile
  4. 10. what is a whole number called?
  5. 12. is non volatile
  6. 13. holds address of where data is to be fetched
  7. 14. big brain
Down
  1. 1. holds the central data
  2. 2. where not-currently-used apps go
  3. 3. preforms calculations
  4. 4. moving parts
  5. 5. sends signals to control data
  6. 6. USB stick
  7. 9. holds adress of next instruction
  8. 11. beam of light