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

Online Test for C

1. What is the purpose of getc()?
   read a character from STDIN
   read a character from a file
   read all file
   read file randomly

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2. Which of the following is NOT a valid Character Constant?
   ’P’
   ’2’
   ’PQ’
   ’#’

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3. How to make an infinity loop in C?
   loop: ..... goto loop;
   for(;;) { }
   while(1) { }
   All of the above

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

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5. What is constant?
   Constants have fixed values that do not change during the execution of a program
   Constants have fixed values that change during the execution of a program
   Constants have unknown values that may be change during the execution of a program
   None of the above

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6. Find Error/Output in follwing code:

                                
void fn()

{

  static int i = 10;

  printf("%d ", ++i);

}

int main()

{

  fn();

  fn();

}
                                

10 10
11 11
11 12
12 12

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7. Find Error/Output in follwing code:

                                
int main() {

  int i=0;

  for(;;) 

    printf("%d",i); 

  return 0;

} 


                                

0 times
Infinite times
10 times
1 times

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8. Which of the following storage classes have global visibility in C?
   Auto
   Static
   Extern
   Register

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9. What is function?
   Function is a block of statements that perform some specific task.
   Function is the fundamental modular unit. A function is usually designed to perform a specific task.
   Function is a block of code that performs a specific task. It has a name and it is reusable
   All the above

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10. Find Error/Output in follwing code:

                                
int main ()

{

  int a[4] = { 25, 16 };

  printf ("%d %d", a[0] & a[1], a[1] | a[2]);

}
                                

Syntax error because of invalid operator symbol
25 16
16 16
Syntax error because of invalid array initialization

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