Data Structures MCQs with Answers
Practice important Data Structures MCQs with answers and explanations.
Multiple Choice Questions
Q721: Which algorithm is typically preferred for sorting large datasets due to its efficiency?
- A: Heap Sort
- B: Merge Sort
- C: Bubble Sort
- D: Selection Sort
View Answer
A
Q722: In which type of heap is the minimum element always at the root?
- A: Max-Heap
- B: Min-Heap
- C: Binary Heap
- D: Fibonnaci Heap
View Answer
B
Q723: How are disjoint sets used in image processing?
- A: To label different regions or blobs in an image
- B: To sort pixels by color
- C: To merge image files
- D: To compress image data
View Answer
A
Q724: What does the `length()` method return in the PriorityQueue class?
- A: The number of elements in the queue
- B: The size of the heap
- C: The maximum capacity of the queue
- D: The number of operations performed
View Answer
A