Reading Vocabulary

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Across
  1. 3. groups of connected computers, such as social networks
  2. 5. and output communication between a processing system in a computer
  3. 6. people with special skills for getting into computer systems without permission.
  4. 7. a system of words, letters, figures, or other symbols used in place for other words or letters
Down
  1. 1. a process or set of rules to be followed when
  2. 2. an electronic device for researching or typing
  3. 4. a system used to interact with a computer