Simple queue, circular queue, priority queue, deque MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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1. : What is a simple queue?





2. : Which of the following operations is NOT supported by a simple queue?





3. : What is a circular queue?





4. : What advantage does a circular queue offer over a simple queue?





5. : In a circular queue, how is the front of the queue updated after a dequeue operation?





6. : Which of the following operations is efficient in a circular queue compared to a simple queue?





7. : What is a priority queue?





8. : In a priority queue, which element is dequeued first?





9. : Which of the following data structures is commonly used to implement a priority queue?





10. : What is a deque (double-ended queue)?





11. : Which of the following operations is NOT typically supported by a deque?





12. : In a deque, which operation allows adding an element to the front of the queue?





13. : Which type of queue is suitable for applications where elements are added based on their urgency or importance?





14. : What is the main drawback of a simple queue compared to other types of queues?





15. : Which type of queue is most appropriate for implementing a round-robin scheduling algorithm?





16. : In which scenario would a deque be more advantageous than other types of queues?





17. : Which type of queue is typically used in printer spooling systems to manage print jobs?





18. : What is the time complexity of the enqueue operation in a priority queue with a binary heap implementation?





19. : In which type of queue does the size remain fixed after initialization?





20. : Which type of queue efficiently supports applications where elements are added and removed alternately from both ends?





 

Data Structures MCQs

Basic Concepts
  1. Introduction to Data Structures
  2. Complexity Analysis MCQs
Linear Data Structures MCQs
  1. Arrays MCQs
  2. Linked Lists MCQs
  3. Stacks MCQs
  4. Queues MCQs
Non-Linear Data Structures MCQs
  1. Trees MCQs
  2. Heaps MCQs
  3. Graphs MCQs
Hashing MCQs MCQs
  1. Hash Tables
Sorting and Searching Algorithms MCQs 
  1. Sorting Algorithms MCQs
  2. Searching Algorithms MCQs
Miscellaneous
  1. Memory Management in data structures MCQs
  2. String Manipulation Algorithms MCQs
  1. Data Structures MCQs 1
  2. Data Structures MCQs 2
  3. Data Structures MCQs 3
  4. Data Structures MCQs 4
  5. Data Structures MCQs 5
  6. Stacks Solved MCQs
  7. Queues MCQs
  8. pointer mcqs
  9. Array MCQs
 

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