Computer crossword

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Across
  1. 2. Illegal intrusion into a computer
  2. 4. Nodes connected in a circular manner
  3. 8. Impression left by a person online
  4. 11. Each computer in a network is called
  5. 12. A group of computers and peripheral devices when linked together forms a
  6. 13. Sending emails till the server gets full
  7. 14. Unwanted bulk emails coming from unknown sources
Down
  1. 1. Turns data into an unreadable code
  2. 3. Connect devices for an individual person
  3. 5. Criminal activities using the internet
  4. 6. Disrupts normal functioning of computers
  5. 7. A network maintained without using wires
  6. 9. Stealing someone's identity
  7. 10. Connects devices within a small area
  8. 15. Imitating the thoughts of another person
  9. 16. card Physically used to attach a computer to a network