UGC NET PAPER 2 June 2019 Question 46 (Shift-I)

46. At a particular time of computation, the value of a counting semaphore is 7. Then 20 P(wait) operations and 15 V(signal) operations are completed on this semaphore. What is the resulting value of the semaphore?

A28

B 12

C 2

D 42

ANS. C

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UGC NET CS 2018 July - II Question 45	UGC NET CS 2018 July - II Question 47