How many stacks are needed to implement a queue. Consider the situation where no other data structure like arrays, linked list is available to you.
Which of the following operations on a queue data structure has a time complexity of O(1)?
A) Enqueue
Which of the following is not a fundamental operation of a queue?
Which of the following is not a way to implement a queue in JavaScript?
D. Using a binary search tree
What is the time complexity of the enqueue operation in a queue implemented as a dynamic array?
Which of the following is a queue data structure that maintains a fixed-size buffer and overwrites the oldest data?
Which of the following is an example of a dynamic queue in JavaScript?
Which of the following is not a disadvantage of using an array to implement a queue?
C. Slower dequeue operation
D. No constant-time access to the middle elements
Which of the following is not a common application of a queue?
A. Implementing a printer job queue
B. Implementing a web browser's forward button
C. Breadth-first search algorithm
D. Storing configuration settings
In a queue implemented using an array, which index corresponds to the front of the queue?
There are 10 questions to complete.
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