Which of the following is NOT a valid deadlock prevention scheme?

TPSC Computer/IT Posts · 2025 · Senior Informatics Officer · Section DGATE · 2000 · CS · Question 2 subparts

1. A.

   Release all resources before requesting a new resource

2. B.

   Number the resources uniquely and never request a lower numbered resource than the last one requested.

3. C.

   Never request a resource after releasing any resource

4. D.

   Request and all required resources be allocated before execution.

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