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Answer: The two primary operations in a queue are enqueue and dequeue. 1. Enqueue is the operation of adding elements to the queue. The step-by-step process is: a. Check if the queue has enough capacity to add a new element. b. If the queue has enough capacity, insert the new element at the rear of the queue. c. Increment the rear pointer by one. d. If the queue doesn't have enough capacity, either increase the capacity or show an error message. 2. Dequeue is the operation of removing elements from the queue. The step-by-step process is: a. Check if the queue is not empty. b. If the queue is not empty, remove the front element from the queue. c. Increment the front pointer by one. d. If the queue is empty, show an error message or return a default value.