AN-2

String is an array of characters with …….. character as the last element of array.

• Null

• Empty

• 0

• 1

What is the format specifier used to print or read a character in an array in Printf or Scanf function?

• %C

• %f

• %w

• %c

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

• scanf()

• gets()

• printf()

• puts()

The library function used to copy a string to another is

• strncpy()

• strcmp()

• strcpy()

• strchr()

String is initialized with datatype

• float

• char

• int

• double

What is the output of this program?

#include <stdio.h>

int main()

{

        char str[] = "hello, world";

        printf("%d", strlen(str));

        }

• Compilation error

• 10

• 13

• 12

What is the output of this

#include <stdio.h>

#include <string.h>

int main()

{

     char s1[10] = "Hello";

     char s2[10] = "World";

     strncat(s1,s2, 3);

     printf("Concatenation using strncat: %s", s1);

     return 0;

}

• Concatenation using strncat: Hel

• Concatenation using strncat: HelloWorld

• Concatenation using strncat: HelloWor

• None of the above

str1="6/4";

printf("str1");

• 6/4

• str1

• None

An array elements are always stored in ________ memory locations.

• sequential

• Random

• Sequential and Random

• None of the above

if two strings are identical then function strcmp() returns

• 0

• -1

• true

• none of these