Computer Science Revision

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Across
  1. 3. Stopping you losing your files
  2. 5. More complex computer language
  3. 7. A burning wall
  4. 9. Multiple cores
  5. 12. Memory inside the computer
  6. 16. Brain of the computer
  7. 17. disguised way of writing code
  8. 20. A network which covers a wide area
  9. 21. A list of characters
  10. 22. a coloured foot
Down
  1. 1. Giving information to the computer
  2. 2. A network which covers a small area
  3. 4. A type of food yet websites use these to gain information
  4. 6. The only language computers understand
  5. 8. a type of wave including noise
  6. 10. Defines the root of a HTML document
  7. 11. A deadly snake which is also used for coding
  8. 13. Receiving information from the computer
  9. 14. Stops the computer from gaining a virus
  10. 15. A whole number
  11. 18. A type of variable which includes letters and numbers
  12. 19. Memory which you can read