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

2nd Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-5

  • question_answer
    Which of the following operating system is used on mobile phone?

    A) Windows vista

    B) Android

    C) Windows XP

    D) All of these

    E) None of these

    Correct Answer: B

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