Heaps MCQs

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

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1. : What is a heap in data structures?



2. : What are the two types of heaps?



3. : In a max heap, which property is maintained?



4. : What is the time complexity for inserting an element into a heap?



5. : What is the time complexity for removing the maximum element from a max heap?



6. : What is the main use of a heap?



7. : In a min heap, which property is maintained?



8. : What is the height of a complete binary heap with n nodes?



9. : Which of the following is true about heaps?



10. : What is the process of restoring the heap property after an insertion called?



11. : What is the process of restoring the heap property after a deletion called?



12. : Which data structure can efficiently implement a priority queue?



13. : What is the time complexity of heap sort?



14. : What is the primary disadvantage of a binary heap?



15. : What is the primary characteristic of a binary heap?



16. : What happens to the structure of a heap after extracting the maximum element?



17. : Which operation is not typically supported by heaps?



18. : How are heaps typically represented in memory?



19. : What is the value of the root node in a min heap?



20. : What is a d-ary heap?



21. : Which of the following is a property of a max heap?



22. : In a binary heap, what is the index of the left child of a node at index i?



23. : In a binary heap, what is the index of the right child of a node at index i?



24. : What is the index of the parent of a node at index i in a binary heap?



25. : What is the purpose of a Fibonacci heap?



26. : What is a priority queue?



27. : What happens if you try to insert an element into a full binary heap?



28. : How does a binary heap differ from a binary search tree?



29. : What is the main advantage of using heaps over arrays for priority queues?



30. : What is the use of a binary heap in the Dijkstra’s algorithm?



31. : What is a skew heap?



32. : What operation does the heapify function perform?



33. : What is the relationship between heaps and sorting algorithms?



34. : Which type of heap is best suited for implementing a priority queue?



35. : What is the impact of deleting the root in a heap?



36. : How does a pair of heaps differ from other heaps?



37. : What type of data structure can a binary heap be implemented as?



38. : What is the main disadvantage of a Fibonacci heap?



 

 

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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