Question: 27. The program counter indicates the address of the current instruction to be executed for this process. Answer: T 28. It is possible to prevent

27. The program counter indicates the address of the current instruction to be executed for this process. Answer: T 28. It is possible to prevent deadlock if a single, higher-order resource that must be requested before any other resource. Answer: T 29. User-level threads are visible to both the programmer and the kernel. Answer: T 30. Block() and Wakeup () are basic system calls of OS. Answer: TF
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