Let's remember!

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Across
  1. 3. the extension of a text file.
  2. 5. it is an input device. You use it to write.
  3. 6. these devices show results.
  4. 9. Windows or Linux are ...
  5. 12. what colour is the sun?
  6. 13. it is a number between 10 and 12.
Down
  1. 1. you use it to play video games.
  2. 2. the physical parts of a computer.
  3. 4. it is the brain of the computer.
  4. 7. combination of sound, image and words.
  5. 8. I use this to take pictures at night.
  6. 10. synonym of mobile phone/celLinuxe.
  7. 11. set of programs and instructions of a computer.