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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 18 of 30

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Q171.
The time complexity for finding an item in a sorted array using binary search is

a.

Logarithmic

b.

Constant

c.

Factorial

d.

Exponential

Discuss
Answer: (a).Logarithmic
Q172.
The time complexity of determining a number is odd or even is

a.

Factorial

b.

Exponential

c.

Constant

d.

Logarithmic

Discuss
Answer: (c).Constant
Q173.
The worst case of the job sequencing with deadline is

a.

O(n)

b.

O(n²)

c.

O(nlog n)

d.

O(log n)

Discuss
Answer: (b).O(n²)
Q174.
The postfix expression for the infix expression (A+B*(C+D))/ (F+D*E) is

a.

(AB+CD+*F) / D+E*

b.

(ABCD*+F) / (+DE*+)

c.

(A*B+CD)/F*DE++

d.

None of the above

Discuss
Answer: (d).None of the above
Q175.
In Linked list data is stored in

a.

Adjacent location

b.

Different location in memory

c.

Neither (a) or (b)

d.

None of the above

Discuss
Answer: (b).Different location in memory
Q176.
......................is called self referential structure.

a.

Linked list

b.

Stack

c.

Queue

d.

Graph

Discuss
Answer: (a).Linked list
Q177.
The time complexity for evaluating a postfix expression is

a.

O(n)

b.

O(nlog n)

c.

O(log n)

d.

O(n²)

Discuss
Answer: (b).O(nlog n)
Q178.
Dequeue is called

a.

Double ended queue

b.

Single ended queue

c.

An operation

d.

None of the above

Discuss
Answer: (a).Double ended queue
Q179.
Consider the following complete binary tree and find out the height of the tree

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (c).4
Q180.
In a tree construction which one will suitable and efficient data structure?

a.

Array

b.

Linked list

c.

Stack

d.

Queue

Discuss
Answer: (b).Linked list
Page 18 of 30

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