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    Question

    ________ is the highest priority interrupt capable of interrupting all software and non-vital hardware devices. 

    A Vectored Interrupt Correct Answer Incorrect Answer
    B Non-Vectored Interrupt Correct Answer Incorrect Answer
    C Maskable Interrupt Correct Answer Incorrect Answer
    D Non-maskable Interrupt Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Non-Maskable Interrupt (NMI) is the highest priority interrupt capable of interrupting all software and non-vital hardware devices. The NMI is not commonly used and usually only used to verify if a serious error has occurred or stop all operations because of a failure.

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