What is a computer?

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Across
  1. 2. The largest network on earth (I)
  2. 5. A special-purpose computer on which you watch films (t)
  3. 6. Another word for programs (s)
  4. 8. You can carry this computer around (l)
  5. 9. This is processed by the computer (d)
  6. 11. A program is a set of... (i)
  7. 14. The main computer in a network (s)
  8. 16. The company that makes Mac computers (A)
  9. 17. The new generation of mobile phones (s)
  10. 18. Other devices that are connected to a computer (p)
  11. 19. The computer is this type of device (e)
  12. 20. You use these to play games (c)
Down
  1. 1. A computer that is placed on a desk (d)
  2. 3. Many computers linked together form a... (n)
  3. 4. This program runs the computer: the o... system (o)
  4. 7. Apple makes these computers (M)
  5. 10. The parts of the computer that you can touch (h)
  6. 12. The screen that is both input and output (t)
  7. 13. A computer with a touchscreen (t)
  8. 15. The P in PC stands for... (p)