Question: Consider a binary semaphore, counting semaphore, queues, and mailboxes. Any three can be implemented with the fourth. It was shown how binary semaphores can be

Consider a binary semaphore, counting semaphore, queues, and mailboxes. Any three can be implemented with the fourth. It was shown how binary semaphores can be used to implement counting semaphores and vice versa, how mailboxes can be used to implement binary semaphores, and how mailboxes can be used to implement queues. For the remaining pairs, show how one can be used it implement the other.

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