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The BSR (bit scan reverse) instruction scans the operand in the order

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The BSR (bit scan reverse) instruction scans the operand in the order

(a) from left to right

(b) from right to left

(c) from upper nibble

(d) none of the mentioned

The question was posed to me in an online quiz.

The doubt is from Enhanced Instruction Set of 80386 in chapter 32-bit Processors-80386, 80387 and 80486 of Microprocessor

1 Answer

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by (49.2k points)
Right choice is (a) from left to right

Explanation: The BSR (bit scan reverse) instruction scans the operand from left to right.

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