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The instruction that subtracts 1 from the contents of the specified register/memory location is

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The instruction that subtracts 1 from the contents of the specified register/memory location is

(a) INC

(b) SUBB

(c) SUB

(d) DEC

I got this question in a national level competition.

My question is based upon Instruction Set of 8086/8088 topic in section 8086/88 Instruction Set and Assembler Directives of Microprocessor

1 Answer

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by (49.2k points)
Correct choice is (d) DEC

Explanation: The DEC instruction decrements the contents of a specified register/memory location by 1.

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