Arrays MCQs

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

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1. : What is the primary characteristic of a linear data structure?



2. : Which of the following is an example of a linear data structure?



3. : What is the time complexity for accessing an element in an array?



4. : Which linear data structure follows the Last In First Out (LIFO) principle?



5. : In a queue, elements are added at the…



6. : What type of linked list allows traversal in both directions?



7. : Which of the following operations has a time complexity of O(1) in a stack?



8. : What is the space complexity of a linked list with n nodes?



9. : Which data structure is used to implement a function call stack?



10. : What is the worst-case time complexity for searching in a linked list?



11. : Which operation is typically NOT performed on a queue?



12. : What is the main advantage of using a linked list over an array?



13. : Which of the following is NOT a characteristic of a circular linked list?



14. : What is the primary disadvantage of using an array as a data structure?



15. : Which of the following is a characteristic of a stack?



16. : What is the time complexity for inserting an element at the beginning of a linked list?



17. : Which of the following operations has a time complexity of O(n) in a singly linked list?



18. : What is the space complexity of a stack with n elements?



19. : Which of the following data structures allows for insertion and deletion from both ends?



20. : What is the average time complexity for searching in a stack?



21. : What type of data structure is used for implementing a breadth-first search?



22. : In a priority queue, elements are dequeued based on their…



23. : Which of the following best describes a doubly linked list?



24. : What is the main disadvantage of a stack?



25. : Which of the following operations in a queue has a time complexity of O(1)?



26. : What is the time complexity for traversing a linked list?



27. : In which data structure can you insert and delete elements at both ends?



28. : What is the primary purpose of a stack?



29. : What is the time complexity for deleting the last element in a singly linked list?



30. : Which of the following is NOT a type of linear data structure?



31. : What is the main characteristic of a queue?



32. : What is the maximum number of elements in a stack of size n?



33. : Which data structure is more memory efficient for large datasets?



34. : What is the time complexity for accessing an element in a linked list?



35. : What is a key advantage of a circular linked list?



36. : What is the time complexity of removing an element from the front of a queue?



37. : Which of the following describes a stack’s behavior?



38. : What is the space complexity of an array of size n?



39. : What is the primary operation of a stack?



40. : What is the time complexity of inserting an element at the end of a doubly linked list?



41. : Which of the following is a disadvantage of using arrays?



 

 

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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