Welcome to the Linked Lists MCQs Page

Dive deep into the fascinating world of Linked Lists with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Linked Lists, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Linked Lists, 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 Data Structures and Algorithms.

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

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

Linked Lists MCQs | Page 6 of 17

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Q51.

Linked list is generally considered as an example of _________ type of memory allocation.

Static

Dynamic

Compile Time

None of these

Discuss

Answer: (b).Dynamic

Q52.

Each Node contain minimum two fields one field called data field to store data. Another field is of type _________.

Pointer to Class

Pointer to an Integer

Pointer to Character

Pointer to Node

Discuss

Answer: (d).Pointer to Node

Q53.

Consider the Singly linked list having n elements. What will be the time taken to add an node at the end of linked list if Pointer is initially pointing to first node of the list.

O(1)

O(n-1)

O(n)

O(n^2)

Discuss

Answer: (b).O(n-1)

Q54.

Pointer is pointing to the first element of the Node then time require to Insert Element to second position is __________.

O(n)

O(1)

O(n^2)

O(n-1)

Discuss

Answer: (b).O(1)

Q55.

Consider a linked list of n elements. What is the time taken to insert an element after element pointed by same pointer ?

O(n)

O(log n)

O(n-1)

O(1)

Discuss

Answer: (d).O(1)

Q56.

The concatenation of two lists is to be performed in O(1) time. Which of the following implementations of a list could be used ?

Array Implementation of List

Singly Linked List

Circular Doubly Linked List

Doubly Linked List

Discuss

Answer: (c).Circular Doubly Linked List

Q57.

Time require to find any element of the linked list is _______.

O(n)

O(1)

O(n^2)

None of these

Discuss

Answer: (a).O(n)

Q58.

Consider the following linked list representation. Which of the following statement is used to create a node ?

struct node {
      int data;
      struct node *next;
}start = NULL;

struct node *new_node;

new_node=(struct node *)malloc((struct node));

new_node=(struct *)malloc(sizeof(struct node));

new_node=(struct node)malloc(sizeof(struct node));

new_node=(struct node *)malloc(sizeof(struct node));

Discuss

Answer: (d).new_node=(struct node *)malloc(sizeof(struct node));

Q59.

Consider the below representation and predict what will be printed on the screen by following statement ?
start->next->data

struct node {
      int data;
      struct node *next;
}*start = NULL;

Access the “data” field of 3rd node

Access the “data” field of 1st node

Access the “data” field of 2nd node

None of these

Discuss

Answer: (c).Access the “data” field of 2nd node

Q60.

struct node *current = start->next
what "current" will contain if it is variable of type struct node ?

Address of 2nd Node

Address Field of 2nd Node

Data Field of 2nd Node

None of these

Discuss

Answer: (a).Address of 2nd Node

Page 6 of 17

Welcome to the Linked Lists MCQs Page

Linked Lists MCQs | Page 6 of 17

Explore more Topics under Data Structures and Algorithms

Data Structures Basics

Data Types and Abstraction

Algorithm Complexity

Arrays and Pointers

Stacks and Queues

Recursion

Trees

Graphs

String Operations

Sorting and Searching

Object Oriented Programming

Dynamic Programming

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