HP PLACEMENT PAPER – 1
1>General section : computer science general knowledge
2> Computer science general: simple questions
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.
5) Some quesion regarding the company and who developed it ( the thing to remember is that
Apple produce Macintosh computers).
5) What is X.25?
a)option 1 b)option 2 c)option 3 d)option 4
Ans: find out??:-)
>>> napster app is used for : downloading music
3> c/c++ section: questions on c/c++, programs o/p etc.
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.
4>Java section: questions on java related stuff.
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)
some java qns
1. package java.lang;
// Ans:! Runtime gives error ( test it)
2: class HPTest2
{ public static void main(String args[])}
{ String x=”sdfsd”; System.out.println(“Hello”); } }
2 class HPTest
{static HPTest x;public static void main(String args[]) { // below line not given //x=new HPTest(); if not this line Null pointer exeception x.foo();
void foo()
{ System.out.println(“Hello”); }
3: class A
{ A(int x)
{System.out.println(” x=” + x ); }
A(int x,int y)
{ System.out.println(” x=” + x + ” y =” + y); }
class HPTest4
{ public static void main(String args[])
{ A a=new A(1);
A b=new A(2,3);
A c=new A(); }
IT Gurus
1) Tim Berners Lee — Founder of the World Wide Web
2) Bjarne Stroustrup, C++ Stroustrup called his new language ‘C with Classes
and then ‘new C’.Because of which the original C began to be called ‘old C’
which was
considered insulting to the C community. At this time Rick Mascitti
suggested the name C++ as a successor to C.
3) Michael Dell of Dell Computers
4) Larry Ellison of Oracle Larry Ellison and Bob Oats were working on a
consulting project for the CIA (Central Intelligence Agency). The code name
for the project was called Oracle (the CIA saw this as the system to give
answers to all questions or something such). The project was designed to
help use the newly written SQL code by IBM. The project eventually was
terminated but Larry and Bob decided to finish what they started and bring
it to the world. They kept the name Oracle and created the RDBMS engine.
Later they kept the same name for the company.
5) James Gosling,and his project is now known as Java Originally called Oak
by creator James Gosling, from the tree that stood outside his window, the
programming team had to look for a substitute as there was no other language
with the same name. Java was selected from a list of suggestions. It came
from the name of the coffee that the programmers drank.
6) Bill Hewlett(L) and Dave Packard(R) of HP. Behind them in the picture is
the famous HP Garage. Bill Hewlett and Dave Packard tossed a coin to decide
whether the company they founded would be called Hewlett-Packard or