Question: When a process executes wait on semaphore P ( S ) and the semaphore S is busy ( equal to ) what OS does with

When a process executes wait on semaphore P(S) and the semaphore S is busy (equal to ) what OS does with the process . Select one answer . Sends the process to WAITING and SEMAPHORE queues Terminate the process Sends the process only to SEMAPHORE queue Loops at the instruction P(S) and waits for a signal to continue

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