1. PlacementQuestion
2. C Interview Questions
3. Online Test for C

Online Test for C

1. Find Error/Output in follwing code:

                                
int main() {

  char c = 'f';

  switch (c) {

    default: printf("unknown colour ");

    case 'r': case 'R': printf("Red ");

    case 'g': case 'G': printf("Green "); break;

    case 'b': case 'B': printf("Blue");

  }

}


                                

Red Green Blue
Error
Green unknown colour Red
unknown colour Red Green

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2. The keywords cannot be used as variable names.
   True
   False

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3. To represent hierarchical relationship between elements, which data structure is suitable?
   Priority
   Tree
   Dqueue
   All of the above

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4. A real constant in C can be expressed in both Fractional and Exponential forms.
   True
   False

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5. What is an array?
   An array is a collection of variables that are of the dissimilar data type.
   An array is a collection of variables that are of the same data type.
   An array is not a collection of variables that are of the same data type.
   None of the above.

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6. Find Error/Output in follwing code:

                                
int main ()

{

  static int num = 8;

  printf ("%d", num = num - 2);

  if (num != 0)

    main ();

}
                                

8 6 4 2
Infinite output
Invalid because main function can't call itself.
6 4 2 0

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7. In switch statement, each case instance value must be _______?
   Constant
   Variable
   Special Symbol
   None of the avobe

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8. What is %f, %d, %s and %c?
   Number Specifier
   Format Specifier
   Access Specifier
   None of the above

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9. Find Error/Output in follwing code:

                                
void main()

{

  printf("%d", printf("computer science"));

}
                                

computer science16
16computer science
computer science
computer science18

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