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The interrupt for which the processor has the highest priority among all the external interrupts is

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in Microprocessor by (39.4k points)
The interrupt for which the processor has the highest priority among all the external interrupts is

(a) keyboard interrupt

(b) TRAP

(c) NMI

(d) INT

This question was addressed to me in an internship interview.

My enquiry is from Non Maskable Interrupt and Maskable Interrupt (INTR) topic in division Special Architectural Features and Related Programming of Microprocessor

1 Answer

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by (49.2k points)
The correct choice is (c) NMI

Explanation: The Non-Maskable Interrupt input pin has the highest priority among all the external interrupts.

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