ISRO Computer Science (CSE) 2016 - Question 45

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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

  • A. 18
  • B. 22
  • C. 15
  • D. 13

Answer: A. 18

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