UGC-NET | UGC-NET CS 2017 Dec 2 | Question 40

Two atomic operations permissible on Semaphores are __________ and __________.
(A) wait, stop
(B) wait, hold
(C) hold, signal
(D) wait, signal

Answer: (D)

Explanation: Wait and signal are the atomic operation possible on semaphore.
Refer: Semaphores in operating system
So, (D) is the correct option.

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