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Which one of the following is a synchronization tool?

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Which one of the following is a synchronization tool?

(a) thread

(b) pipe

(c) semaphore

(d) socket

I have been asked this question by my college professor while I was bunking the class.

My question is taken from Process Synchronization topic in division Processes of Operating System

1 Answer

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Best answer
The correct option is (c) semaphore

Easy explanation - Semaphore is a synchronization tool. Semaphore is a mechanism which synchronizes or controls access of threads on critical resources. There are two types of semaphores i) Binary Semaphore ii) Counting Semaphore.

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