AIML TECH TRIATHLON

1. Which of the following are C preprocessors?

• a) #ifdef
  
  

• b) #define
  
  

• c) #endif
  
  

• d) all of the above

2. 2. In C language, FILE is of which data type?
   
   

• a) int

• b) char *

• c) struct
  
  

• d) None of the mentioned

3. 3.   What will be the output of the following C code?

       #include <stdio.h>

       int main()

       {

           int y = 10000;

           int y = 34;

           printf("Hello World! %d\n", y);

           return 0;

       }

• a)Compile time error

• b) Hello World! 34

• c) Hello World! 1000

• d) Hello World! followed by a junk value

4.  What will be the final value of x in the following C code?

    #include <stdio.h>

    void main()

    {

        int x = 5 * 9 / 3 + 9;

    }

• a) 3.75

• b) Depends on compiler

• c) 24

• d) 3

5.  Which function will you choose to join two words?

• a) strcpy()

• b) strcat()

• c) strncon()

• d) memcon()

6. Comment on the following pointer declaration.

int *ptr, p;

• a) ptr is a pointer to integer, p is not
  
  

• b) ptr and p, both are pointers to integer

• c) ptr is a pointer to integer, p may or may not be

• d) ptr and p both are not pointers to integer

7. What will be the output of the following C code?

    #include <stdio.h>

    int main()

    {

        int *ptr, a = 10;

        ptr = &a;

        *ptr += 1;

        printf("%d,%d/n", *ptr, a);

   }

• a) 10,10

• b) 10,11

• c) 11,10

• d) 11,11

8. Memory allocation using malloc() is done in

• a) Static area

• b) Stack area

• c) Heap area

• d) Both Stack & Heap area

9.What will be the output of the following C code?

        #include <stdio.h>

    int main()

    {

        int i = 0;

        int j = i++ + i;

        printf("%d\n", j);

   }

• a)0

• b) 1

• c) 2
  
  

• d) Compile time error

10. What will be the output of the following C code?

#include <stdio.h>

    void main()

    {

        int i = 0;

        do

        {

            printf("Hello");

        } while (i != 0);

    }

• a)Garbage value

• b) H is printed infinite times

• c) Hello

• d) Run time error