Question

How does semaphore help satisfy mutual exclusion on multi process synchronisation

Answer 1

HERE is the ans.....

A Semaphore is an integer variable, which can be accessed only through two operations wait() and signal(). Binary Semaphores : They can only be either 0 or 1. They are also known as mutex locks, as the locks can provide mutual exclusion. All the processes can share the same mutex semaphore that is initialized to 1.

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