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The 8051 stack is

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in Microprocessor by (39.3k points)
The 8051 stack is

(a) auto-decrement during PUSH operations

(b) auto-increment during POP operations

(c) auto-decrement during POP operations

(d) auto-increment during PUSH operations

I had been asked this question during an internship interview.

I'm obligated to ask this question of Interrupt and Stack of 8051 in division Microcontroller 8051 of Microprocessor

1 Answer

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by (49.2k points)
The correct choice is (d) auto-increment during PUSH operations

Explanation: The 8051 stack is opposite to that in 8085 or 8086 i.e. in 8085 it is auto-decrement while in 8051 it is auto-increment during PUSH operations.

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