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To form a physical memory address, appropriate segment register contents are

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To form a physical memory address, appropriate segment register contents are

(a) shifted by left by 4 positions

(b) added to 16-bit offset address

(c) operated using one of addressing modes

(d) all of the mentioned

I got this question in examination.

I'd like to ask this question from Real Address Mode of 80386, Protected Mode of 80386 topic in chapter 32-bit Processors-80386, 80387 and 80486 of Microprocessor

1 Answer

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by (49.2k points)
Right answer is (d) all of the mentioned

For explanation I would say: To form a physical memory address, appropriate segment register contents are shifted by left by 4 positions and then added to 16-bit offset address formed using one of addressing modes, in same way as in the 80386 real address mode.

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