Crossword Puzzle "Computing"

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Across
  1. 2. When you don't have a command line you have a
  2. 4. If your Windows computer crashes you see a
  3. 8. A powerfull PC
  4. 9. If you can directly type on the screen you have a
  5. 11. Heart of the Computer
  6. 15. If you want to protect your PC from attacks out of the internet you use a
  7. 16. You need them to change the position of the curser
Down
  1. 1. A Byte is made out of 8
  2. 3. The number of pixels in the height and width on a display
  3. 4. A mistake in a programm
  4. 5. The successor of infrared
  5. 6. You need it to type letters
  6. 7. If almost everyone can use an application it is
  7. 10. If you don't need a cable to connect to the internet
  8. 12. If you want a faster connection to the internet you use a
  9. 13. In our job we are producing
  10. 14. If you need a document on a paper