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C Language - Functions

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43.

What is the output of this program?

#include

using namespace std;

void mani()

{

cout<<"hai";

}

int main()

{

mani();

return 0;

}

A.	hai	B.	haihai
C.	compile time error	D.	none of the mentioned

44.

What is the output of this program?

#include

using namespace std;

void fun(int x, int y)

{

x = 20;

y = 10;

}

int main()

{

int x = 10;

fun(x, x);

cout << x;

return 0;

}

A.	10	B.	20
C.	compile time error	D.	none of the mentioned

45.

#include

/* program section begins here */

int main() {

// opening brace - program execution starts here

printf("Welcome to the C");

return 0;

}

// closing brace - program terminates here

A.	Welcome to	B.	the C
C.	Welcome to the C	D.	compiletime error

46.

#include

int main(int argc, char *argv[]) {

int n;

printf("Following are the arguments entered in the command line");

for (n = 0; n < argc; n++) {

printf("\n %s", argv[n]);

}

printf("\n Number of arguments entered are\n %d\n", argc);

return 0;

}

A.	apple mango Number of arguments entered are 2	B.	apple mango Number of arguments entered are 0
C.	apple mango Number of arguments entered are 3	D.	error

47.

void *memcpy(void *destination,void *source,size_t count);

#include

main()

{

char str1[100] = "This is string";

char str2[100];

memcpy(str2,str1,14);

printf("str2 = %s\n",str2);

}

A.	str2 = This	B.	str2 = This is str
C.	str2 = This is string	D.	str2 = error

48.

#include

void main( )

{

double ans ;

double n = 4 ;

ans = ldexp ( n, 2 ) ;

printf ( "\nThe ldexp value is : %lf\n", ans ) ;

}

A.	ldexp value is : 2.000000	B.	ldexp value is : 4.000000
C.	ldexp value is : 16.000000	D.	ldexp value is : 64.000000

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