Information technology

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Across
  1. 2. piece of software used for calculations.
  2. 3. computer that manages access to resources or service in network
  3. 6. networking device that forwards data packets. between computer networks.
  4. 8. maximum productivity with minimum effort
Down
  1. 1. old, no longer in use.
  2. 4. something exposed the possibility of being attacked or exploited.
  3. 5. easy to use, understand.
  4. 7. graphical representation of text.