Consider the following operations performed on a queue of size 5: Enqueue a,…

Consider the following operations performed on a queue of size 5:

Enqueue a, Dequeue, Enqueue b, Enqueue c, Dequeue, Enqueue d, Dequeue, Dequeue, Enqueue e, Dequeue

Which of the following statements is correct?

  1. A.

    Underflow occurs

  2. B.

    1 element left in a queue

  3. C.

    Overflow occurs

  4. D.

    None of the above

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