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Topic: Data-structure-conceptual-questions / Level: Beginner
1. What is a data structure?
2. Why is it important to use data structures in programming?
3. What are the main types of data structures?
4. Explain the difference between linear and nonlinear data structures.
5. What is an array, and how is it different from a list?
6. Describe the characteristics of an array.
7. What are the advantages of using arrays?
8. What is a linked list?
9. Explain the difference between singly linked lists and doubly linked lists.
10. What are the advantages of linked lists over arrays?
11. What is a stack, and what are its main operations?
12. How does a stack differ from a queue?
13. What is a queue, and what are its main operations?
14. Describe the concept of a circular queue.
15. What is a dequeue, and how does it function?
16. Explain what a tree data structure is.
17. What are the different types of trees?
18. Define a binary tree.
19. What is a binary search tree (BST)?
20. What are the properties of a binary search tree?
21. How do you perform an in-order traversal of a binary tree?
22. What is a heap, and what are its types?
23. Explain the difference between a min-heap and a max-heap.
24. What is a graph, and how is it represented?
25. What are the types of graphs?
26. Explain the difference between directed and undirected graphs.
27. What is a weighted graph?
28. What is a node in a data structure?
29. How do you define an edge in a graph?
30. What is a hash table, and how does it work?
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