Here are some solved questions from HP Placement Papers
1) What is not a part of OS ?
Answer is compiler
2) Which is the protocol used by PING?
Answer is ICMP
3) Hotmail was founded by?
a)Sabeer Bhatia and Jack Smith
b)Sabeer Bhatia alone
c)Sabeer Bhatia and Bill Gates
d)Sabeer Bhatia and Hang Sen
Answer is Sabeer Bhatia and Jack Smith
4) Which is an Internet standard that extends the format of e-mail to support
* non ASCII text
* Non-text attachments
* Message bodies with multiple parts
* Header information in non-ASCII character sets
a)Multipurpose Internet Mail Extensions
b)Multivariant Internet Mail Extensions
c)Multi Internet Mail Extensions
d)None of the above
Answer is Multipurpose Internet Mail Extensions