engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Operating Systems Concurrency and Synchronization Operating System Solution
At a particular time of computation, the value of a counting semaphore is 7. Then 20 P operation and x V operations were completed on this semaphore. If the final value of the semaphore is 5, x will be
1
18
2
22
3
15
4
13