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The interrupt that has the highest priority among the following is

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in Microprocessor by (39.4k points)
The interrupt that has the highest priority among the following is

(a) Single step

(b) NMI (non-maskable interrupt)

(c) INTR

(d) Instruction exception

This question was addressed to me during an interview.

My question comes from Internal Architecture of 80286 in portion 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
Right option is (d) Instruction exception

Easy explanation: The instruction exception has the highest priority followed by single step, NMI and INTR instrution.

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