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While executing the instruction, OUTSW, the SI is incremented by

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in Microprocessor by (39.4k points)
While executing the instruction, OUTSW, the SI is incremented by

(a) 1

(b) 2

(c) 3

(d) 4

The question was posed to me by my college professor while I was bunking the class.

The query is from Instruction Set Features -2 topic in division 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
The correct choice is (b) 2

Explanation: The SI is automatically incremented by 1 for byte (OUTSB) and 2 for word (OUTSW) operations.

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