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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 UGC CBSE NET 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 UGC CBSE NET 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 UGC CBSE NET 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 5 of 27

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Q41.
Consider the following operations performed on a stack of size 5:
Push(a); Pop(); Push(b); Push(c); Pop(); Push(d); Pop(); Pop(); Push(e);
Which of the following statements is correct?

a.

Underflow occurs

b.

Stack operations are performed smoothly

c.

Overflow occurs

d.

None of the above

Discuss
Answer: (b).Stack operations are performed smoothly
Q42.
Suppose you are given a binary tree with n nodes, such that each node has exactly either zero or two children. The maximum height of the tree will be

a.

n/2 - 1

b.

n/2 + 1

c.

(n-1)/2

d.

(n+1)/2

Discuss
Answer: (c).(n-1)/2
Q43.
Which of the following is not an inherent application of stack?

a.

Implementation of Stack

b.

Evaluation of a postfix expression

c.

Job Scheduling

d.

Reverse a string

Discuss
Answer: (c).Job Scheduling
Q44.
In how many ways can the string
A∩B - A ∩ B -A
be fully parenthesized to yield an infix expression ?

a.

15

b.

14

c.

13

d.

12

Discuss
Answer: (a).15
Q45.
The order of a leaf node in a B+ tree is the maximum number of children it can have. Suppose that block size is 1 kilobytes, the child pointer takes 7 bytes long and search field value takes 14 bytes long. The order of the leaf node is ............

a.

16

b.

63

c.

64

d.

65

Discuss
Answer: (b).63
Q46.
Which of the following is true for computation time in insertion, deletion and finding maximum and minimum element in a sorted array?

a.

Insertion-O(1), Deletion-O(1), Maximum-O(1), Minimum-O(1)

b.

Insertion-O(1), Deletion-O(1), Maximum-O(n), Minimum-O(n)

c.

Insertion-O(n), Deletion-O(n), Maximum-O(1), Minimum-O(1)

d.

Insertion-O(n), Deletion-O(n), Maximum-O(n), Minimum-O(n)

Discuss
Answer: (c).Insertion-O(n), Deletion-O(n), Maximum-O(1), Minimum-O(1)
Q47.
The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, i.e., starting from G. The stack is popped five times and each element is inserted into a queue. Two elements are deleted from the queue and pushed back onto the stack. Now, one element is popped from the stack. The popped item is ...................

a.

A

b.

B

c.

F

d.

G

Discuss
Answer: (b).B
Q48.
What features make C++ so powerful ?

a.

Easy implementation

b.

Reusing old code

c.

Easy Memory Management

d.

All of the above

Discuss
Answer: (d).All of the above
Q49.
The mechanism that binds code and data together and keeps them secure from outside world is known as

a.

Abstraction

b.

Inheritance

c.

Encapsulation

d.

Polymorphism

Discuss
Answer: (c).Encapsulation
Q50.
Assume that we have constructor functions for both base class and derived class. Now consider the declaration in main( ). Base * P = New Derived; in what sequence will the constructor be called ?

a.

Derived class constructor followed by Base class constructor

b.

Base class constructor followed by derived class constructor

c.

Base class constructor will not be called

d.

Base class constructor will not be called

Discuss
Answer: (b).Base class constructor followed by derived class constructor
Page 5 of 27

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