Which queue operation removes one element from the front?
ADEQUEUE
BDECLARE
CDEFLATE
DDELEGATE
Answer & Solution
Correct answer: A. DEQUEUE
1. Removal in a queue happens at the front.
2. The operation mirrors the name of the insertion.
3. DEQUEUE is used to remove one element at a time from the front of the queue.
4. So the answer is DEQUEUE.
_Source: syllabus Computer Science, Ch 3 'Stack' and Ch 4 'Queue'_
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