Function MCQ Questions and Answers

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In this section we provide lots of objective question of Function

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1) The keyword used to transfer control from a function back to the calling function is

2) How many times the program will print "Study 2 Online" ?

  #include<stdio.h>
int main()
{
printf("Study 2 Online");
main();
return 0;
}

3) What will be the output of the program in 16 bit platform (Turbo C under DOS)?

#include<stdio.h>
int main()
{
int fun();
int i;
i = fun();
printf("%d\n", i);
return 0;
}
int fun()
{
_AX = 1990;
}

4) What will be the output of the program?

#include<stdio.h>
void fun(int*, int*);
int main()
{
int i=5, j=2;
fun(&i, &j);
printf("%d, %d", i, j);
return 0;
}
void fun(int *i, int *j)
{
*i = *i**i;
*j = *j**j;
}

5) What will be the output of the program?

#include<stdio.h>
int i;
int fun();
int main()
{
while(i)
{
fun();
main();
}
printf("Hello\n");
return 0;
}
int fun()
{
printf("Hi");
}

6) What will be the output of the program?

#include<stdio.h>
int reverse(int);
int main()
{
int no=5;
reverse(no);
return 0;
}
int reverse(int no)
{
if(no == 0)
return 0;
else
printf("%d,", no);
reverse (no--);
}

7) What will be the output of the program?

#include<stdio.h>
void fun(int);
typedef int (*pf) (int, int);
int proc(pf, int, int);
int main()
{
int a=3;
fun(a);
return 0;
}
void fun(int n)
{
if(n > 0)
{
fun(--n);
printf("%d,", n);
fun(--n);
}
}

8) What will be the output of the program?

#include<stdio.h>
int sumdig(int);
int main()
{
int a, b;
a = sumdig(123);
b = sumdig(123);
printf("%d, %d\n", a, b);
return 0;
}
int sumdig(int n)
{
int s, d;
if(n!=0)
{
d = n%10;
n = n/10;
s = d+sumdig(n);
}
else
return 0;
return s;
}

9) What will be the output of the program?

#include<stdio.h>
int main()
{
void fun(char*);
char a[100];
a[0] = 'A';
a[1] = 'B';
a[2] = 'C';
a[3] = 'D';
fun(&a[0]);
return 0;
}
void fun(char *a)
{
a++;
printf("%c", *a);
a++;
printf("%c", *a);
}

10) What will be the output of the program?

#include<stdio.h>
int main()
{
int fun(int);
int i = fun(10);
printf("%d\n", --i);
return 0;
}
int fun(int i)
{
return (i++);
}

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