Answer of MCQs based on String

The ______ character is used to indicate end of string in C programming.

A.  ‘\0’

B.  \\

C.  “

D.  none of these

ANSWER: A

The char data type in C program occupies ______ byte of space in memory.

A. 1

B. 2

C. 4

D. none of these

ANSWER: A

The string processing related functions are stored in ____________ header file.

A. <stdio.h>

B. <conio.h>

C. <string.h>

D. none of these

ANSWER: C

The ______ in-built function can be used to find length of given string in C program.

A. strlen( )

B. strcat( )

C. strstr( )

D. none of these

ANSWER: A

The ______ in-built function can be used to concatenate given two string in C program.

A. strlen( )

B. strcat( )

C. strstr( )

D. none of these

ANSWER: B

______ C string function can be used to search string into given string.

A. strlen( )

B. strcat( )

C. strstr( )

D. none of these

ANSWER: C

_________ function can be used to read two words at a time.

A. scanf( )

B. gets( )

C. getch( )

D. none of these

ANSWER: B

Predict the output:

  #include<string.h>

  void main()

  {

    char str1[10]="abyz";

    int i;         

        for(i=0; i<4; i++)

        {

             printf("%c",str1[i] - 32);

        }         

  } 

A. AB

B. zyba

C. abyz

D. ABYZ

ANSWER: D

Predict the output:

  #include<string.h>

  int main()

  {

            char str1[50]="abc", str2[50];

            strcpy(str2, strrev(str1));

            printf("Reverse string is : %s",str2);

            return 0;

  } 

A. abc

B. cba

C. ABC

D. none of these

ANSWER: B

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