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

Online Test for C

1. Find Error/Output in follwing code:

                                
main() {

 int i = 2, *j;

 j = &i;

 printf("%d", i**j*i+*j); 

} 
                                

Syntax error due to Invalid expression in printf
Print junk value
16
10

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2. Find Error/Output in follwing code:

                                
main() {

    int a = 10;      

    if ((fork ( ) == 0))      

    a++;      

    printf ("%dn", a ); 

}
                                

10 and 11
10
11
11 and 11

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3. Which of the following is valid commenting style in C?
   /* comment */
   // comment
   /* Comment line 1 <br> Comment line 2 */
   All of the above

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4. Select best option to consturct Character Constant
   A Character constant is a single alphabet, a single digit or a single special symbol
   Must be enclosed within single inverted commas.
   Both option (A) and (B)
   None of the above

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5. Recursive functions are executed in a?
   First In First Out Order
   Load Balancing
   Parallel Fashion
   Last In First Out Order

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6. Spaces and commas are allowed in a variable name.
   True
   False

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7. Find Error/Output in follwing code:

                                
int main ()

{

  int x = 20, y = 35;

  x = y++ + x++;

  y = ++y + ++x;

  printf ("%d %d n", x, y);

}
                                

55 92
56 93
57 94
None of the above

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8. How many keywords in C?
   30
   32
   38
   33

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9. Which is the correct syntax to declare constant pointer?
   int *const constPtr;
   *int constant constPtr;
   const int *constPtr;
   A and C both

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