2. Sample Papers
  3. 9th Class
  4. Computers Science

9th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-5

  • question_answer
    An Operating System (OS) is master control program which controls all administration activities. An OS is _________.

    A)  a collection of hardware components

    B)  a collection of input-output devices

    C)  a collection of software routines

    D)  All of these

    E)  None of these

    Correct Answer: C

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