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

3rd Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-9

  • question_answer
    What do you mean by the operating system?

    A) Operating system is used for operating the compact disk only.

    B) Operating system is used for operating the hard disk only.

    C) Operating system is the set of command and program.

    D) All of these

    E) None of these

    Correct Answer: C

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