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Which of the following is not a machine controlled instruction?

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+1 vote
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in Microprocessor by (39.4k points)
Which of the following is not a machine controlled instruction?

(a) HLT

(b) CLC

(c) LOCK

(d) ESC

I had been asked this question by my school teacher while I was bunking the class.

Asked question is from Instruction Set of 8086/8088 in chapter 8086/88 Instruction Set and Assembler Directives of Microprocessor

1 Answer

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by (49.2k points)
The correct answer is (b) CLC

To elaborate: Since CLC is a flag manipulation instruction where CLC stands for Clear Carry Flag.

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