computing revision

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Across
  1. 3. u use to send a long important letter/message
  2. 4. something you use
  3. 7. something you need a username for
  4. 8. on the internet places where you find information
Down
  1. 1. for example viruses spyware and worms
  2. 2. the thing you need internet for
  3. 5. a device
  4. 6. u use it for a computer