Question

What is stack pointer? Define the two main operation of a stack with their program?

Answer 1

Answer:

The stack pointer points to the current topmost datum on the stack. A push operation decrements the pointer and copies the data to the stack; a pop operation copies data from the stack and then increments the pointer.

Answer 2

Explanation:

The stack pointer points to the current topmost datum on the stack. A push operation decrements the pointer and copies the data to the stack; a pop operation copies data from the stack and then increments the pointer

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