2. Sample Papers
  3. 2nd Class
  4. Computers Science

2nd Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-3

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

    A) Right button

    B) Left button

    C) Both (a) and (b)

    D) Scroll button

    E) None of these

    Correct Answer: B

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