Topic: HP Interview Placement Paper on Technical

HP Interview Placement Paper on Technical

1. Write a Program find and replace a character in a string.

2. Write a Program function to perform the subtraction of two .Eg:char N1="123",N2="478", N3=-355(N1-N2). 

3.Write a Program dynamically initialize a 2 dimensional array Eg:5x20,accept strings and check for vowels and display the no. finally free the space allocated .

4. Write a Program read a line from file from location N1 to N2 using command line arguments Eg:exe 10 20 a.c 

5. Write a Program find the largest of 4 no using macros.

6. HP acquired this company in 2002. Which is the company
a) Compaq b) Dell c) option 3 d) Option4
Ans: a

7. What does 3G denote
a) 3rd generation mobile communication b) 3rd generation computer languages
c) option 3 d) option4
Ans: a

8. An application program that is used by the users to get the information from the backend of some application like databases:
a) application server b) proxy server c) database server d) option 4
Ans: database server

9. 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.

10. Some question regarding the company and who developed it ( the thing to remember is that Apple produce Macintosh computers).

11 main( )
{
unsigned int i=3;
while( i >=0)
printf( "%d", i--);
}
how many times will the printf statement be executed?
a)0     b)3    c)4    d) infinite

12. 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

13. # 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.

14. Java section: questions on java related stuff.
1) Java was initially code named as:
a)Oak b)green c)miller d)option4
Ans: Oak

15. 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

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

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