computer science

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Across
  1. 1. - global networking that allows you to access data, info, games etc
  2. 3. - range of frequencies within a given band, used for data transmission
  3. 4. - the brain of the computer
Down
  1. 2. - a super computer
  2. 5. - a message from one person to another via internet
  3. 6. - computer or software that provides data, resources etc to other computers