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The flag bits that indicate the privilege level of current IO operations are

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The flag bits that indicate the privilege level of current IO operations are

(a) Virtual mode flag bits

(b) IOPL flag bits

(c) Resume flag bits

(d) None of the mentioned

The question was asked in an online interview.

This is a very interesting question from Register Organisation of 80386 -2 topic in portion 32-bit Processors-80386, 80387 and 80486 of Microprocessor

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by (49.2k points)
Correct choice is (b) IOPL flag bits

For explanation: The IOPL flag bits indicate the privilege level of current IO operations.

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