Data Structures MCQ - Page 2
Data Structures MCQ Questions are designed to help you test and improve your understanding of key data structures and algorithms. These questions cover essential topics such as arrays, linked lists, stacks, queues, trees, graphs, and sorting algorithms. Whether you're a beginner, a student, or an experienced developer, these MCQs offer a great way to assess your knowledge and strengthen your problem-solving skills. Perfect for exam preparation, interviews, or enhancing your data structures knowledge, these questions will guide you in mastering the fundamentals of data structures and algorithms.
Q36. Which data structure uses hashing?
A. Array
B. Hash Table
C. Stack
D. Queue
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Q37. What is a hash table?
A. Stores key-value pairs
B. Linear structure
C. Tree structure
D. Graph structure
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Q38. What is priority queue?
A. FIFO queue
B. Elements processed by priority
C. Random queue
D. Stack-based queue
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Q39. Which structure is used in BFS?
A. Stack
B. Queue
C. Array
D. Tree
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Q40. Which structure is used in DFS?
A. Queue
B. Stack
C. Heap
D. Array
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Q41. What is a graph?
A. Nodes and edges structure
B. Linear structure
C. Stack structure
D. Array structure
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Q42. What is adjacency matrix?
A. Graph representation using matrix
B. Tree structure
C. Stack representation
D. Queue representation
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Q43. What is adjacency list?
A. Graph representation using lists
B. Tree representation
C. Sorting method
D. Queue method
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Q44. What is linear search?
A. Search sequentially
B. Binary search
C. Tree search
D. Graph search
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Q45. What is binary search?
A. Divide and conquer search
B. Random search
C. Linear search
D. Graph search
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Q46. What is bubble sort?
A. Sorting by swapping adjacent elements
B. Fastest sort
C. Graph algorithm
D. Tree traversal
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Q47. What is merge sort?
A. Divide and merge sorting
B. Random sorting
C. Stack sorting
D. Queue sorting
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Q48. What is quick sort?
A. Pivot-based sorting
B. Linear sorting
C. Tree sorting
D. Queue sorting
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Q49. What is a heap?
A. Complete binary tree
B. Linear structure
C. Graph type
D. Stack type
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Q50. What is recursion?
A. Function calling itself
B. Loop only
C. Sorting method
D. Data storage
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Q51. What is dynamic programming?
A. Optimization using memoization
B. Sorting technique
C. Graph type
D. Stack method
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Q52. What is greedy algorithm?
A. Locally optimal choice
B. Random choice
C. Stack method
D. Sorting only
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Q53. What is backtracking?
A. Try and undo approach
B. Sorting method
C. Graph type
D. Queue method
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Q54. What is deque?
A. Double ended queue
B. Single queue
C. Stack
D. Tree
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