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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 25 of 30

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Q241.
Sorting techniques that records with the same primary key occurs in the same order in the Sorted list as in the original unsorted list is said to

a.

Linear

b.

External

c.

Stable

d.

Consistent

Discuss
Answer: (c).Stable
Q242.
A test is mode up of the characters a,b,c,d,e each occurring with the probability 12, -4, -15, 0.8 and 0.25 respectively. The optical coding technique will have the avg length of

a.

1.78

b.

2.15

c.

3.78

d.

4.15

Discuss
Answer: (a).1.78
Q243.
In towers of Hanoi problem with 3 needle and 6 disks, how many total number of moves to solve this problem?

a.

63

b.

49

c.

21

d.

58

Discuss
Answer: (a).63
Q244.
Which of the following is tree for average number of comparison needed in the average binary search tree with n nodes in approximately.

a.

2 ln n = (ln2) (2logn)

b.

ln n = (2 ln 2) (2 log n)

c.

log n = (2 log n) (ln 2)

d.

2 lnn = (2 ln n) (log n)

Discuss
Answer: (d).2 lnn = (2 ln n) (log n)
Q245.
Which of the following is not tree in Heap?

a.

All the moves of the tree are on this adjacent levels

b.

All laws on the lowest level occur, to the left and all the names, except possibly the convert are field

c.

Chip is definitely a search tree

d.

The key in the root is at least as large as the keys in its children

Discuss
Answer: (c).Chip is definitely a search tree
Q246.
If the binary search algorithm determines the search argument is the upper of the array, Which if the following statements will set the appropriate variable to the appropriate value?

a.

Star sub = middle sub -1

b.

star sub = middle sub +1;

c.

Stop sub = middle sub -1

d.

Stop sub = middle sub + 1;

Discuss
Answer: (b).star sub = middle sub +1;
Q247.
In bubble sort, the first step is swapping two of the element in the code array is to

a.

Assign code [x] to temp

b.

Assign code[x+2] to temp

c.

Assign temp to code [x]

d.

Assign code [x] to code [x+1]

Discuss
Answer: (a).Assign code [x] to temp
Q248.
An adjacency matrix representation of graph cannot contain information of

a.

Node

b.

Edges

c.

Direction of edge

d.

Parallel edge

Discuss
Answer: (d).Parallel edge
Q249.
Stacks can be used to

a.

Evaluate an arithemetic expression in postfix form

b.

Implement recursion

c.

Allocate resources (like CPU) by the operating system

d.

Convert a given arithemetic expression in infix form to its equivalent postfix form

Discuss
Answer: (c).Allocate resources (like CPU) by the operating system
Q250.
Queue can be useful to implement

a.

Recursion

b.

Quick sort

c.

Radix sort

d.

DFS

Discuss
Answer: (c).Radix sort
Page 25 of 30

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