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In POP instruction, after each execution of the instruction, the stack pointer is

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In POP instruction, after each execution of the instruction, the stack pointer is

(a) incremented by 1

(b) decremented by 1

(c) incremented by 2

(d) decremented by 2

I had been asked this question at a job interview.

This intriguing question originated from Instruction Set of 8086/8088 topic in division 8086/88 Instruction Set and Assembler Directives of Microprocessor

1 Answer

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Correct option is (c) incremented by 2

Explanation: The actual current stack top is poped into the specific operand as the contents of stack top memory is stored in AL&SP and further contents of the memory location pointed to by SP are copied to AH & SP.

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