Explore topic-wise MCQs in Data Structures and Algorithms.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structures and Algorithms knowledge and support exam preparation. Choose a topic below to get started.

1.

The given array is arr = {1,2,4,3}. Bubble sort is used to sort the array elements. How many iterations will be done to sort the array with improvised version?

A. 4
B. 2
C. 1
D. 0
Answer» C. 1
2.

What is the best case efficiency of bubble sort in the improvised version?

A. O(nlogn)
B. O(logn)
C. O(n)
D. O(n2)
Answer» D. O(n2)
3.

The given array is arr = {1, 2, 4, 3}. Bubble sort is used to sort the array elements. How many iterations will be done to sort the array?

A. 4
B. 2
C. 1
D. 0
Answer» B. 2
4.

Which of the following is not an advantage of optimised bubble sort over other sorting techniques in case of sorted elements?

A. It is faster
B. Consumes less memory
C. Detects whether the input is already sorted
D. Consumes less time
Answer» D. Consumes less time
5.

What is the average case complexity of bubble sort?

A. O(nlogn)
B. O(logn)
C. O(n)
D. O(n2)
Answer» E.
6.

WHAT_IS_THE_ADVANTAGE_OF_BUBBLE_SORT_OVER_OTHER_SORTING_TECHNIQUES??$

A. It is faster
B. Consumes less memory
C. Detects whether the input is already sorted
D. All of the mentioned
Answer» D. All of the mentioned
7.

The_given_array_is_arr_=_{1,2,4,3}._Bubble_sort_is_used_to_sort_the_array_elements._How_many_iterations_will_be_done_to_sort_the_array?$

A. 4
B. 2
C. 1
D. 0
Answer» C. 1
8.

What is the worst case complexity of bubble sort?

A. O(nlogn)
B. O(logn)
C. O(n)
D. O(n<sup>2</sup>)
Answer» E.
9.

What is an internal sorting algorithm?

A. Algorithm that uses tape or disk during the sort
B. Algorithm that uses main memory during the sort
C. Algorithm that involves swapping
D. Algorithm that are considered ‘in place’
Answer» C. Algorithm that involves swapping
10.

What is an external sorting algorithm?

A. Algorithm that uses tape or disk during the sort
B. Algorithm that uses main memory during the sort
C. Algorithm that involves swapping
D. Algorithm that are considered ‘in place’
Answer» B. Algorithm that uses main memory during the sort