2. Sample Papers
  3. 1st Class
  4. Computers Science

1st Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-2

  • question_answer
    Which button of the mouse is most commonly used?

    A) Right button

    B) Center button

    C) Left button

    D) Both (a) and (b)

    E) None of these

    Correct Answer: C

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