Jesile's crossword

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Across
  1. 2. portion of CPU
  2. 5. data storage device
  3. 7. converts power for computer
  4. 8. carries out instructions of the computer
  5. 10. protects all components
  6. 12. processes computer graphics
  7. 14. physical components of the computer
  8. 17. connects all parts of computer; circuitry
  9. 18. stores program instructions
  10. 19. optical disc
Down
  1. 1. displays visuals of the computer
  2. 3. miniaturised circuit
  3. 4. compact disc
  4. 6. adds functions to computer
  5. 9. another name for USB
  6. 11. storage device;flash memory
  7. 13. enters characters by pressing keys
  8. 15. performance measurement used for computer storage
  9. 16. communications channels; wireless networking