c questions

[muskan]

hello,

I want to know the answer of these following question...........

. main()
{
fork();
fork();
fork();
printf("\n hello");
}
How many times print command is executed?


which one will over flow given two programs
prog 1: prog2:
main() main()
{ {
int fact; int fact=0
long int x; for(i=1;i<=n;i++)
fact=factoral(x); fact=fact*i;
} }

int factorial(long int x)
{
if(x>1) return(x*factorial(x-1);
}
a) program 1;
b) program 2;
c) both 1 &2
d) none
}


variables of fuction call are allocated in
a) registers and stack
b) registers and heap
c) stack and heap


. size of integer is
a. 2 bytes
b. 4 bytes
c. machine dependant
d. compiler dependent.


Pls tell .it is very urgent

thanks

[Ganon11]

What answers would you give? What are your thoughts on these questions?