Computer Revision Crossword Puzzle G7

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Across
  1. 2. difficult (very hard maths)
  2. 3. chrome, microsoft edge, firefox etc.
  3. 5. change from one mode to other
  4. 6. external
  5. 9. put into
  6. 10. not standard but ____
  7. 11. number by itself
  8. 12. inbuilt into computer
Down
  1. 1. can search in here
  2. 4. click to also find program
  3. 5. surf the internet with
  4. 7. compact ____
  5. 8. can find a root
  6. 10. click to find program