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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 21 of 30

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Q201.
If the array is sorted the complexity is

a.

O(n)

b.

O(n²)

c.

O(n log n²)

d.

O(log n²)

Discuss
Answer: (a).O(n)
Q202.
If the array is in reverse sorted order, then time complexities will be

a.

O(n)

b.

0 (n log n²)

c.

O(n²)

d.

O(log n²)

Discuss
Answer: (c).O(n²)
Q203.
What be the time complexity for any typical array order?

a.

O(n)

b.

0 (n log n²)

c.

O(n²)

d.

O(log n²)

Discuss
Answer: (c).O(n²)
Q204.
Quick sort gives O(n log n) worst case performances if the pivot is selected as

a.

First element of the array

b.

Median of first, last and middle elements

c.

Arithmetic mean of the elements

d.

None of the above

Discuss
Answer: (d).None of the above
Q205.
T (n) = (2n/3)+1 then T(n) is equal to

a.

O(log₂ⁿ)

b.

O(n log₂ⁿ)

c.

O(n²)

d.

O(n)

Discuss
Answer: (a).O(log₂ⁿ)
Q206.
A language developed to assist children in learning geometric shapes and computing aspects is

a.

COBOL

b.

BASIC

c.

LOGO

d.

LISP

Discuss
Answer: (c).LOGO
Q207.
Search tables used by compilers for efficient searching generally use

a.

Hash tables

b.

List of records

c.

Binary search tables

d.

Binary search trees

Discuss
Answer: (c).Binary search tables
Q208.
A complete binary tree with 10 leaves

a.

Cannot have more than 19 nodes

b.

Has exactly 19 nodes

c.

Has exactly 20 nodes

d.

cannot have more than 17 node

Discuss
Answer: (b).Has exactly 19 nodes
Q209.
Which of the following is not correct?

a.

f(n) = O(f(n))

b.

(*f(n)+g(n)) = for a constant c

c.

O(f(n)+g(n)) = O(g(n)+f(n))

d.

O[f(n)] = O[f(n)]²

Discuss
Answer: (c).O(f(n)+g(n)) = O(g(n)+f(n))
Q210.
Maximum possible height of an AVL tree with 7 nodes is

a.

3

b.

4

c.

5

d.

None of these

Discuss
Answer: (a).3
Page 21 of 30

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