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Which of the following is not a valid deadlock prevention scheme?
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- Release all resources before requesting a new resource
- Number the resources uniquely and never request a lower numbered resource than the last one requested
- Never request a resource after releasing any resource
- Request and all required resources be allocated before execution
- Release all resources before requesting a new resource
Correct Option: C
In deadlock prevention scheme, The operating system requests a resource after releasing the resource held by him, if needed. This is not a condition that a process cannot request a resource.
