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The 80386 in protected mode, supports all software written for

(a) 8086 and 80287

(b) 80286 and 80287

(c) 80287 and 80387

(d) 80286 and 8086

The question was asked in semester exam.

Question is taken from Salient Features of 80386DX topic in division 32-bit Processors-80386, 80387 and 80486 of Microprocessor

1 Answer

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by (49.2k points)
Right answer is (d) 80286 and 8086

For explanation I would say: The 80386 in protected mode, supports all software written for 8086 and 80286 (to be executed under the control of memory management and protection abilities of 80386).

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