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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.

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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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Q1.
Which of the following function sets first n characters of a string to a given character?

a.

strinit()

b.

strnset()

c.

strset()

d.

strcset()

Discuss
Answer: (b).strnset()
Q2.
If the two strings are identical, then strcmp() function returns

a.

-1

b.

1

c.

0

d.

Yes

Discuss
Answer: (c).0
Q3.
How will you print \n on the screen?

a.

printf("\n");

b.

echo "\\n";

c.

printf('\n');

d.

printf("\\n");

Discuss
Answer: (d).printf("\\n");
Q4.
The library function used to find the last occurrence of a character in a string is

a.

strnstr()

b.

laststr()

c.

strrchr()

d.

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?

a.

strchr()

b.

strrchr()

c.

strstr()

d.

strnset()

Discuss
Answer: (c).strstr()
Q6.
Which of the following function is more appropriate for reading in a multi-word string?

a.

printf();

b.

scanf();

c.

gets();

d.

puts();

Discuss
Answer: (c).gets();
Q7.
Strcat function adds null character

a.

Only if there is space

b.

Always

c.

Depends on the standard

d.

Depends on the compiler

Discuss
Answer: (b).Always
Q8.
The return-type used in String operations are

a.

void only

b.

void and (char *) only

c.

void and int only

d.

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.

a.

Presence of NULL character

b.

Presence of new-line character

c.

Presence of any escape sequence

d.

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?

a.

strchr(s, c);

b.

strrchr(s, c);

c.

strlchr(s, c);

d.

strfchr(s, c);

Discuss
Answer: (b).strrchr(s, c);
Page 1 of 2

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