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Across
  1. 3. Machine for making paper copies of texts.
  2. 4. A process or set of rules used in calculations or problem solving.
  3. 6. The computer screen which comes up when a computer is turned on and which displays icons for main programmes.
  4. 8. Identity required to enter a system of closed website.
  5. 10. High-capacity Internet transmission capacity.
  6. 11. Used to recharge batteries.
  7. 12. All programmes and digitised materials needed to run IT systems.
  8. 14. Used to type and enter information into a computer.
  9. 15. An Internet label, address.
  10. 17. Device used to convert a plug.
  11. 18. A safeguard of a file.
Down
  1. 1. A space used to store a set of files.
  2. 2. Restart a computer.
  3. 5. A wifi outlet.
  4. 7. The programme which makes a computer work.
  5. 8. Small, highly portable device used to store information, data, etc.
  6. 9. Part of computer that stores most information.
  7. 13. Smartphone programme for most activities.
  8. 15. A set of images often used to accompany a presentation.
  9. 16. A piece of wire used as a connection.