Determine which of the following statements are either true or false.

Group of answer choices

Semaphores allow threads to be blocked when the resource is not accessible

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The initial value of a semaphore is the maximum number of resources it can represents

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The manipulation of a semaphore's internal count has to be put in a critical section

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Binary semaphores are an efficient way to implement locks

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In counted semaphores, the semaphore's internal count can become negative