Where as a computer mouse moves over the table surface, the trackball is

A. Stationary

B. Difficult to move

C. Dragged

D. Moved in small steps

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
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  14. When did arch rivals IBM and Apple Computers Inc. decide to join hands?
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  17. The basic operations performed by a computer are
  18. A high quality CAD system uses the following for printing drawing and graphs
  19. A term associated with the comparison of processing speeds of different computer system is:
  20. Which of the following is not an output device?
  21. A CPU contains
  22. What is an interpreter?
  23. The term GIGO is relate to which characteristics of computers?
  24. Which is an item of storage medium in the form of circular plate?
  25. MAN stands for
  26. CAD stands for
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