Computer crossword

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Across
  1. 4. the brain
  2. 7. main component
  3. 10. cooling device
  4. 11. instruction input
  5. 13. the chassis of the computer
  6. 14. data input via scanning
  7. 15. term for data
Down
  1. 1. universal serial bus
  2. 2. selection input
  3. 3. Random access memory
  4. 5. screen output on paper
  5. 6. data reader
  6. 8. display output
  7. 9. audio output
  8. 12. data storage