GATE | GATE-CS-2000 | Question 49

Which of the following is NOT a valid deadlock prevention scheme? (GATE CS 2000)
(A) Release all resources before requesting a new resource
(B) Number the resources uniquely and never request a lower numbered resource than the last one requested.
(C) Never request a resource after releasing any resource
(D) Request and all required resources be allocated before execution.


Answer: (C)

Explanation: See question 1 of https://www.geeksforgeeks.org/operating-systems-set-1/

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