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    Question

    An __________is system software that manages computer

    hardware and software resources and provides common services for computer programs.
    A Supervisor Correct Answer Incorrect Answer
    B Input/Output program Correct Answer Incorrect Answer
    C Job control program Correct Answer Incorrect Answer
    D Operating system Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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