1. PlacementQuestion
2. C Interview Questions
3. C Output Questions

C Output Questions

25. Find Error/Output in follwing code:

                            
int main() {

  int x = 0, y = 0;

  if(x > 0)

    if(y > 0)

      printf("True"); 

  else

    printf("False"); 

}
                            

1. No Output
2. True
3. False
4. Error because of dangling else problem

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26. Find Error/Output in follwing code:

                            
main() {

 int i = 2, *j;

 j = &i;

 printf("%d", i**j*i+*j); 

} 
                            

1. Syntax error due to Invalid expression in printf
2. Print junk value
3. 16
4. 10

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27. Find Error/Output in follwing code:

                            
int main() {

 int x,y,z;

 x = '1'-'0'; /* line-1 */

 y = 'a'-'b'; /* line-2 */

 z = x + y;

 printf("%d",z); 

} 
                            

1. 0
2. Error because of incorrect line-1 only.
3. Error because of incorrect line-1 and line-2.
4. Error because of incorrect line-2 only.

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28. Find Error/Output in follwing code:

                            
void fn() {

 int a = 10;

 static int b = 20;

 printf("a = %d b = %d", ++a, ++b);

} 

int main() {

 fn();

 fn();

 return 0;

}


                            

1. a = 11 b = 21 a = 11 b = 22
2. a = 11 b = 21 a = 11 b = 22
3. a = 11 b = 21 a = 11 b = 22
4. a = 11 b = 21 a = 11 b = 22

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29. Find Error/Output in follwing code:

                            
void main ( )

{

  char *P = "ayqm" ;

  char c;

  c = ++*p ;

  printf ("%c", c);

}
                            

1. a
2. 0x56FA
3. m
4. y

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30. Find Error/Output in follwing code:

                            
void main() 

{ 

  int x=10,*y,**z; 

  y=&x; 

  z=&y; 

  printf(\"%d%d%d\",*y,**z,*(*z)); 

}
                            

1. 101010
2. 100xaa54f10
3. Run time error
4. No Output

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31. Find Error/Output in follwing code:

                            
void main()

{

  int a = 1, b=2, c=3;

  char d = 0;

  if(a,b,c,d)

  {

    printf("EXAM");

  }

}
                            

1. No Output and No Error
2. EXAM
3. Run time error
4. Compile time error

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32. Find Error/Output in follwing code:

                            
void main()

{

  int a = 1, b=2, c=3;

  if(a,b,c)

  {

    printf("EXAM");

  }

}
                            

1. EXAM
2. No Output
3. Run time error
4. None of the above

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