Question

Why does a thread in Windows need two stacks?

a.

Because it needs to run multiple programs at the same time

b.

Because it needs to switch between user-mode code and kernel-mode code

c.

Because it needs to manage multiple memory address spaces

d.

Because it needs to manage multiple data structures at the same time

Posted under Reverse Engineering

Answer: (b).Because it needs to switch between user-mode code and kernel-mode code Explanation:A thread can run in both user mode and kernel mode, and must have two stacks: one for when it’s running in user mode and one for when it’s running in kernel mode.

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Q. Why does a thread in Windows need two stacks?

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