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In access rights byte, to select system segment descriptor, the condition is

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in Microprocessor by (39.4k points)
In access rights byte, to select system segment descriptor, the condition is

(a) S=1

(b) S=0

(c) S not equal to zero

(d) none of the mentioned

This question was addressed to me in exam.

This interesting question is from Protected Virtual Address Mode (PVAM) -1 in division 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
Right answer is (b) S=0

The best I can explain: If S (segment descriptor)=0, then system segment descriptor or gate descriptor is selected.

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