Welcome to the String Operations MCQs Page

Dive deep into the fascinating world of String Operations with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of String Operations, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of String Operations, 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 String Operations. 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 String Operations. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

String Operations MCQs | Page 1 of 2

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03

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Dynamic Programming

Q1.

Which of the following function sets first n characters of a string to a given character?

strinit()

strnset()

strset()

strcset()

Discuss

Answer: (b).strnset()

Q2.

If the two strings are identical, then strcmp() function returns

-1

Yes

Discuss

Answer: (c).0

Q3.

How will you print \n on the screen?

printf("\n");

echo "\\n";

printf('\n');

printf("\\n");

Discuss

Answer: (d).printf("\\n");

Q4.

The library function used to find the last occurrence of a character in a string is

strnstr()

laststr()

strrchr()

strstr()

Discuss

Answer: (c).strrchr()

Q5.

Which of the following function is used to find the first occurrence of a given string in another string?

strchr()

strrchr()

strstr()

strnset()

Discuss

Answer: (c).strstr()

Q6.

Which of the following function is more appropriate for reading in a multi-word string?

printf();

scanf();

gets();

puts();

Discuss

Answer: (c).gets();

Q7.

Strcat function adds null character

Only if there is space

Always

Depends on the standard

Depends on the compiler

Discuss

Answer: (b).Always

Q8.

The return-type used in String operations are

void only

void and (char *) only

void and int only

void, int and (char *) only

Discuss

Answer: (d).void, int and (char *) only

Q9.

String operation such as strcat(s, t), strcmp(s, t), strcpy(s, t) and strlen(s) heavily rely upon.

Presence of NULL character

Presence of new-line character

Presence of any escape sequence

None of the mentioned

Discuss

Answer: (a).Presence of NULL character

Q10.

Which pre-defined function returns a pointer to the last occurence of a character in a string?

strchr(s, c);

strrchr(s, c);

strlchr(s, c);

strfchr(s, c);

Discuss

Answer: (b).strrchr(s, c);

Page 1 of 2

Welcome to the String Operations MCQs Page

String Operations MCQs | Page 1 of 2

Explore more Topics under Data Structures and Algorithms

Data Structures Basics

Data Types and Abstraction

Algorithm Complexity

Arrays and Pointers

Linked Lists

Stacks and Queues

Recursion

Trees

Graphs

Sorting and Searching

Object Oriented Programming

Dynamic Programming

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