Which one of the following is NOT performed during compilation?

Consider the function func shown below:

int func(int num) 

{ 

         int count = 0;

         while(num)

         {

                count++;

                num >>= 1;

         }

  return (count);

} 

The value returned by func(435) is _________.

Consider the following program in C language:

#include < stdio.h >
main()
{
int i;
int *pi = &i;
scanf("%d", pi);
printf("%d\n", i + 5);
}

Which one of the following statements is TRUE?

Which of the following statements are CORRECT?

1) Static allocation of all data areas by a compiler makes it impossible to implement recursion.

2) Automatic garbage collection is essential to implement recursion.

3) Dynamic allocation of activation records is essential to implement recursion.

4) Both heap and stack are essential to implement recursion.