Practice queue Quizzes
Boost your knowledge of queue with DevBrainiac's interactive quizzes that make learning faster and more effective. Each quiz focuses on real-world concepts, helping you improve accuracy, understand fundamentals and prepare better for technical interviews. Suitable for beginners and professionals alike, our queue quizzes offer a focused, practical approach to mastering the topic.
Explore All queue Quizzes
Learn queue step by step with interactive quizzes designed for beginners and learners revising key concepts. Build a strong foundation with clear, structured practice in queue.
Question 1
What is the best data structure to implement a queue?
1
Linked List
2
Tree
3
Stack
4
Array
Question 2
Which type of queue allows insertion is limited to one end, while deletion is allowed from both ends.?
1
Circular queue
2
Input-restricted deque
3
Priority queue
4
Deque
Question 3
What is the time complexity of enqueuing an element in a circular queue (using an array)?
1
O(log n)
2
O(n log n)
3
O(n)
4
O(1)
Question 4
What is the difference between a queue and a priority queue?
1
A queue follows FIFO, but a priority queue does not
2
A priority queue always has O(1) enqueue time
3
Elements are sorted in a queue, but not in a priority queue
4
None of the above
Question 5
The five items: A, B, C, D, and E are pushed in a stack, one after other starting from A. The stack is popped four items and each element is inserted in a queue. The two elements are deleted from the queue and pushed back on the stack. Now one item is popped from the stack. The popped item is
1
A
2
C
3
B
4
D
Question 6
How would you implement the A* search algorithm for pathfinding in a graph?
1
Use a simple list to store nodes
2
Use a stack to store nodes
3
Use recursion to explore all paths
4
Use a priority queue to store nodes