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The instruction that determines whether the segment pointed to, by a 16-bit register, can be accessed from the current privilege level is

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The instruction that determines whether the segment pointed to, by a 16-bit register, can be accessed from the current privilege level is

(a) RPL

(b) CPL

(c) ARPL

(d) VERR

The question was posed to me during an internship interview.

Question is from Instruction Set Features -2 topic in section 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
Right answer is (d) VERR

For explanation: The VERR/VERW instructions determine whether the segment pointed to, by a 16-bit register, can be accessed from the current privilege level.

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