ddd

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Across
  1. 4. primary workspace
  2. 5. small size notebook
  3. 7. commonly known as email
  4. 9. a mobile phone
  5. 11. uses a number of metal pins
  6. 12. unnecessary electrical energy
  7. 13. generated by word processors
  8. 16. Most powerful type of computer
  9. 19. local area network
  10. 20. act of entering data
Down
  1. 1. representation of useful information
  2. 2. reads flash memory cards
  3. 3. backbone of the computer system
  4. 6. "gestures"
  5. 8. main memory
  6. 10. who use computers
  7. 14. another name for programs
  8. 15. process of exchanging data
  9. 17. box-like case
  10. 18. typewriter-like keys