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The interrupt that has the lowest priority among the following is

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

(a) Processor extension segment overrun

(b) INTR

(c) INT instruction

(d) NMI

This question was addressed to me in an international level competition.

My query is from Internal Architecture of 80286 topic in section 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
The correct answer is (c) INT instruction

Explanation: The INT instruction has the lowest priority. The order of priority of interrupts from high to low is

1) instruction exception

2) single step

3) NMI

4) processor extension segment overrun

5) INTR

6) INT instruction.

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