New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    DOS stands

    for
    A Disk Operating System Correct Answer Incorrect Answer
    B Disk operating session Correct Answer Incorrect Answer
    C Digital Operating System Correct Answer Incorrect Answer
    D Digital Open system Correct Answer Incorrect Answer
    E Drive Operating System Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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