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Previous Year Question (PYQs)
Which of the following statements are TRUE about mutual exclusion in concurrent programming ?
(A) Mutual exclusion ensures that only one process can be in a critical section at any given time.
(B) Mutual exclusion are designed to prevent conflicts and ensure that only one process can access shared resources at a time.
(C) Mutual exclusion can use various algorithms to ensure that processes do not enter the critical section simultaneously.
(D) Mutual exclusion allows multiple processes to access the critical section simultaneously to improve performance.
Choose the correct answer from the options given below :
Solution
(A) True
Mutual exclusion ensures only one process enters critical section at a time.
(B) True
It prevents conflicts on shared resources.
(C) True
Algorithms like Peterson, Dekker, semaphore, mutex ensure mutual exclusion.
(D) False
Critical section cannot be accessed simultaneously by multiple processes.
Thus correct statements:
(A), (B), (C)
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