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Welcome to the Data Structures and Algorithms MCQs Page

Dive deep into the fascinating world of Data Structures and Algorithms with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Structures and Algorithms, a crucial aspect of GATE CSE Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Structures and Algorithms, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within GATE CSE Exam.

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Check out the MCQs below to embark on an enriching journey through Data Structures and Algorithms. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of GATE CSE Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Structures and Algorithms. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Structures and Algorithms MCQs | Page 26 of 30

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Q251.
Which of the following technique is used in the quick sort algorithm?

a.

Dynamic programming

b.

Greedy method

c.

Back tracking

d.

Divide & Conquer

Discuss
Answer: (d).Divide & Conquer
Q252.
A 3- array tree in which every internal node has exactly 3 children, the number leaf nodes such a tree with 6 internal nodes will be

a.

10

b.

11

c.

12

d.

13

Discuss
Answer: (d).13
Q253.
Which data structure may give overflow error, even though the current number of elements in it is less than its size?

a.

Simple queue

b.

Circular queue

c.

Stack

d.

list

Discuss
Answer: (a).Simple queue
Q254.
Number of possible ordered trees with 3 nodes x, y, z is

a.

12

b.

13

c.

14

d.

16

Discuss
Answer: (a).12
Q255.
The best sorting methods if number of swapping done, is the only measure of efficiency is

a.

Quick sort

b.

Insertion sort

c.

Selection sort

d.

Bubble sort

Discuss
Answer: (c).Selection sort
Q256.
The sorting method which sorts a set of elements that is already in order or in reverse order with equal speed is

a.

Quick sort

b.

Heap sort

c.

Bubble sort

d.

Merge sort

Discuss
Answer: (a).Quick sort
Q257.
The expression which access the (ij)th entry of a m x n matrix stored in column major form is

a.

n x t (i-1)+j

b.

n x (m – i) +j

c.

m x (n-j) + j

d.

m x (j -1) + i

Discuss
Answer: (d).m x (j -1) + i
Q258.
Number of possible trees with 3 nodes is

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (d).5
Q259.
Binary expression tree is traversed in ...........traversal.

a.

Pre order

b.

Port order

c.

Both a and b

d.

In order

Discuss
Answer: (c).Both a and b
Q260.
The value for which we are searching is called the

a.

Binary value

b.

Key

c.

Search argument

d.

Serial value

Discuss
Answer: (c).Search argument
Page 26 of 30

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