At a particular time of computation the value of a counting semaphore – McqOptions

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1.	At a particular time of computation the value of a counting semaphore is 7.Then 20 P operations and 15 V operations were completed on this semaphore.The resulting value of the semaphore is :
A.	42
B.	2
C.	7
D.	12
Answer» C. 7

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