Computer devices and problems

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Across
  1. 2. processing device
  2. 3. world-wide computer network
  3. 4. malware that causes damage to data and software
  4. 5. to connect
  5. 6. an upgrade that correct security/functionality problems
  6. 9. to make a computer organize its files and free space so that it can operate more quickly
  7. 10. used to record sound
  8. 12. to start again
  9. 14. to disconnect
  10. 15. pointing device
Down
  1. 1. powdered ink used in printing
  2. 2. used to play video games
  3. 7. machine used for printing text or pictures
  4. 8. used to listen to music
  5. 11. with great attention to safety
  6. 13. not fast