Technical - Other

C DAC PAPER ON 15th APRIL AT CHENNAI

Hi i have attended CDAC exam of 15th april 2007 and the test comprises of
1. Aptitude
2. c/c++
3. Java

aptitude is nothing it will be very easy, jus from R.S Agarvall example
1.time and work problem
2.train problem
3.chain rule problem
4.ratios

And in technical side it will be from c and c++? and im hosting some of the c and c++ question which i know
1.Find which one of the following is correct?
a) !(p||q) !p || !q
b) !!!p = !p
c) p && q  || r  p && ( q || r )
d)nothing

2. find the output of the following program?
main()
{
static i = 3;
pringf("%d",i--)
return i >0 ? main():0;
}
ans:
a)333
b)321
c)111
d)error in the code

3.find the output of the following program?
main()
{
charp[] = "%d\n";
p[1] = 'c'c;
printf(p,65);
}
ans:
a) 0
b) a
c) A
d) error in the code

4.which will return integer?
a) int*s (  )
b) ( int* ) s(  )
b) int ( *s ) (  )

5.find the output of the following program?
char*myfunc(char*ptr)
{
ptr +=3;
return (ptr);
}
int main()
{
char*x,*y;
x="HELLO";
y=myfunc(x);
printf("y = %s\n",y);
return 0;
}
ans:
a) HELLO
b) LLO
c) LO
d) L

6.find the output of the following program?
main()
{
int i = _1_abc(10);
printf("%d\n",--i);
}
{
int_1_abc(int i)
{
return(++i);
}
ans:
a)10
b)11
c)9
d)error

7.In order  to force derived class A to redefine a function a fun, void foo( )
how should A declare foo( )?
inline foo()
virtual voidfoo( ) = 0

8. which operator cant be overloaded?
ans:
a) &;
b) [ ] ;
c) :: ;
d) all the above;

8.If u allocate it as,
    int *ptr = new int [ 25];
How will u deallocate it ?
ans:
a)   delete *pint;
b)   delete [ ] pint;
c)   delete pint [25];
d)   all ;

9. which virtual ?
a) constant;
b) static function;
c) return;
d) none;

10. How many times "hello world" will be printed?
void fun(int n)
{
int i;
for (i = 0; i < = n; i ++)
{
fun(n-i);
printf("hello world");
}
}
ans:
a) infinite
b)zero
c)one
d)n times

BEST OF LUCK

By,
Murali Krisnan