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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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