Semaphores can be used for each of the following purposes except:
A) to protect access to a critical section
B) to notify the process that an event has occurred
C) to prevent shared variables from getting corrupted
D) to synchronize two or more concurrent threads

Question

Quizplus · Accepted Answer

Semaphores are used to control access to shared resources and to synchronize the execution of multiple processes or threads. They are not used to notify a process that an event has occurred.

Semaphores Can Be Used for Each of the Following Purposes