MCQ Questions Chapter 10 Strings Class 12 Computer Science

MCQ Class 12

Please refer to MCQ Questions Chapter 10 Strings Class 12 Computer Science with answers provided below. These multiple-choice questions have been developed based on the latest NCERT book for class 12 Computer Science issued for the current academic year. We have provided MCQ Questions for Class 12 Computer Science for all chapters on our website. Students should learn the objective based questions for Chapter 10 Strings in Class 12 Computer Science provided below to get more marks in exams.

Chapter 10 Strings MCQ Questions

Please refer to the following Chapter 10 Strings MCQ Questions Class 12 Computer Science with solutions for all important topics in the chapter.

MCQ Questions Answers for Chapter 10 Strings Class 12 Computer Science

Question. Which of the following function is correct in case of conversion of string digits into their integer value?
a. x =atoi(string)
b. x = stoi(string)
c. x = chartoint(string)
d. all of these   

Answer

A

Question. Which of the following is correct, If we write strcmp(s1,s2), returns a value?
a. <0 when s1<s2
b. = 0 when s1 =s2
c. > 0 when s1 > s2
d. all of these   

Answer

D

Question. Which of the following operation could not be performed on character string with string functions?
a. Combining a string
b. copying a string to another
c. Comparing strings for equality
d. Removing a string   

Answer

D


Fill in the Blanks:

Question. _________ function is used to read a character at a time.   

Answer

getchar

Question. The function strlen(“India is great”) will return the length of string ________   

Answer

14

Question. Every string must be terminated by ______________?   

Answer

Null Character

Question. A string can be stored as an array of ______________   

Answer

char

Question. _______ function is used to read a complete string.   

Answer

gets


True or False:

Question. strcpy() function is used to copy strings?

Answer

true

Question. To reverse a string, we need two string handling functions strcpy() & strcmp()?

Answer

false

Question. A string is represented as array of characters?

Answer

true

Question. To use string library functions, we have to include header file string.h in our program?

Answer

true


One Word:

Question. Which of the following function is used to reverse the string?

Answer

strrev

Question. What is the length of null string?

Answer

0 (zero)

Question. If we consider the string declaration as “char x*10+;”, what is the length of the string that can be correctly represented by x? 

Answer

10

Question. The function strcmp (“Abcd” ,”ABCD”) will return?   

Answer

Negative value

Question. C does not support the string data type however strings are handled as an array of?   

Answer

char

Question. What is missing in this string initialization: char name*8+ = ,‘r’, ‘a’, ‘e’,‘t’ -?   

Answer

\0

Question. Which of the following input function cannot be used to input multiword string?   

Answer

scanf()

Question. How will you declare a string named student with length 50?     

Answer

char student[50];

Question. To declare and initialized a empty string, a 10 element character array named x, we have char x*10+ = “ “ ; What will be the other way for the same?   

Answer

char x*10+=,‘\0’-;

Question. If the function strcat(s1,s2) is implemented , then the concatenation will return?   

Answer

s2 at the end of s1


Full Forms:

Question. strcat   

Answer

string concatenation.

Question. strcmp  

Answer

string compares.

Question. strlen   

Answer

string length.

Question. strrev  

Answer

string reverse.

Question. strcpy   

Answer

string copy.

Question. strupr  

Answer

string upper.

Question. strlwr  

Answer

string lower.

Question. atoi    

Answer

ascii to integer.

MCQ Questions Chapter 10 Strings Class 12 Computer Science

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