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Question

What is the purpose of ESP register?

a.

It is used as a stack pointer.

b.

It is used as a counter by repetitive instructions that require counting.

c.

It is frequently used as source/destination pointers in instructions that copy memory.

d.

It is mostly used as the stack base pointer.

Posted under Reverse Engineering

Answer: (a).It is used as a stack pointer. Explanation:ESP is the CPU's stack pointer and stores the current position in the stack. Anything pushed to the stack gets pushed below this address, and this register is updated accordingly.

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