HP – Aptitude Test 2

1. HP acquired this company in 2002. Which is the company
a) Compaq b) Dell c) option 3 d) Option4
Ans: a
2. What does 3G denote
a) 3rd generation mobile communication b) 3rd generation computer
languages c) option 3 d) option4
Ans: a
3. An application program that is used by the users to get the inofrmation
from the backend of some
application like databases:
a) application server b)proxy server c)database server d)option 4
Ans: database server
4. Which of the following is not true about the e-mail
a) It can be accessed by a client program using POP
b) It can be accessed by a client program using imap protocol
c) option 3
d) option 4
Ans: I don’t remember the answer but first 2 are true.

C/C++

1 main( )
{
unsigned int i=3;
while( i >=0)
printf( “%d”, i–);
}
how many times will the printf stmt be executed?
a)0 b)3 c)4 d)infinite
Ans: I think the answer is infinite, b’cos ‘i’ is an unsigned integer and it will
not decrement below ’0′
and hence end up in an infinite loop.(yes, i checked and it is getting stuck in
an infinite loop)

2. main( )
{
int x,y, z;
x=2;
y=5;
z= x+++y;
printf(“%d %d %d”, x, y z);
}
a)3 5 7 b)option 2 c)option 3 d)option 4
Ans: a

3 # define swap(a,b) temp=a; a=b; b=temp;
main( )
{
int i, j, temp;
i=5;
j=10;
temp=0;
if( i > j)
swap( i, j );
printf( “%d %d %d”, i, j, temp);
}
Ans: On compiling i got ans 10, 0, 0. I did not understand the concept.
Please expalin this to me.

Java
1) Java was initially code named as:
a)Oak b)green c)miller d)option4
Ans: Oak

2. What is not true about the following statements about java.
a) it is compiled using javac compiler
b) the compiled files have .class extension.
c) such files cannot be transfered from one comp to another.
d) they use the java interpreter
Ans: c

3. Why is the synchronize used?
a) to initialize multiple objects b)to lock an object c)option3 d)option 4
Ans: b (probably)