Which of the following is true about linked list implementation of queue?Both a and bNone of the mentionedIn push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from the beginningIn push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from end
Question
Which of the following is true about linked list implementation of queue?Both a and bNone of the mentionedIn push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from the beginningIn push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from end
Solution
The correct answer is "In push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from the beginning".
This is because a queue follows the FIFO (First In First Out) principle. So, if new nodes are added at the end of the queue (push operation), they must be removed from the beginning (pop operation) to maintain the FIFO order.
The other option "In push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from end" is incorrect because it describes a stack, not a queue. A stack follows the LIFO (Last In First Out) principle.
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