computer science

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