In a queue, insertion of a new element normally takes place at which end?
Options
- A. Front
- B. Rear
- C. Middle
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
B. Rear
Detailed Explanation
In a conventional queue, a new element is inserted at the rear and removed from the front. The insertion operation is called enqueue, while removal is called dequeue. This arrangement maintains FIFO ordering. Remember the basic queue rule for examinations: enqueue → rear and dequeue → front. A circular queue also follows the same logical rule.