Data Structure MCQ Questions with Answer In this set we cover all the topic of Data structure like Array, Linked List, Stack, Queue, Tree ,Graph , Time complexity and Space complex complexity of different data structure, Sorting, Searching, Heap etc.

1. Assuming int is of 4 bytes, what is the size of int arr[15]; ?
Answer : D
2. What are the advantages of Arrays ?
Answer : D
3. Which of the following are the uses of matrices ?
Answer : D
4. Process of removing an element from Stack is called _____
Answer : D
5. Which data structure is used for implementing recursion ?
Answer : B
Data Structure MCQ
6. Which of the following is not an inherent application of stack ?
Answer : D
7. The data structure required for Breadth First Traversal on a graph is ?
Answer : C
8.In linked list each node contain minimum of two fields. One field is data field to store the data second field is ?
Answer : C
9. Which is memory efficient double linked list ?
Answer : A
10. Which of the following is false about a circular linked list ?
Answer : B
Data Structure MCQ
11. What is the coplexity of searching for a particular element in a singly linked list ?
Answer : B
12. Can a tree stored in an array using either one of inorder or postorder or preorder traversal be again reformed ?
Answer : B
13. What is the space complexity of the postorder traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)
Answer : D
14. What is the spaciality about the inorder traversal of a binary search tree ?
Answer : B
15. What is an internal sorting algorithm ?
Answer : A
Data Structure MCQ
16. What is the worst case complexity of Quick Sort ?
Answer : D
17. Which of the following statements for a simple graph is correct ?
Answer : A
18. A connected planner graph having 6 vertices, 7 edges contains _____ regions.
Answer : B
19. The depth first search traversal of a graph will result into ?
Answer : B
20. The number of elements in the adjaccncy natrix of a graph having 7 vertices ?
Answer : D
Related Links
- C Programming MCQ
- Operating System MCQ
- Visual Basic MCQ
- JAVA MCQ
- System Maintenance MCQ
- Software Engineering MCQ
- Management (Common) MCQ
- System Software MCQ
- Computer Graphics MCQ
- Multimedia MCQ
- Data Structure MCQ
- Software Package MCQ
- Digital Electronics MCQ
- DBMS MCQ
- Ecommerce MCQ
- Web Technology MCQ
- Automatic Control System MCQ
- Power Electronics MCQ
- Testing & Maintenance of Electrical Machine MCQ
- Advance Communication System MCQ
- Digital Electronics-2 MCQ