Orphan vs Zombie vs Daemon processes:

here is the link:

http://gmarik.info/blog/2012/08/15/orphan-vs-zombie-vs-daemon-processes

Related to DBMS

How to design a database for student elections, such one student can vote only to one candidate and one candidate can contest for only one post... .....

Connection Establishment:

TCP Three way handshaking:
1.SYN
2.SYN-ACK
3.ACK

3-WAY Handshaking

Termination of Connection:

oops concepts with real time examples:


http://chiragkanzariya.blogspot.in/2012/11/oops-concept-with-real-world-example.html

Journey of C program:
how many intermediate files it will generates till it finally get executed.
nicely explained here.

http://www.thegeekstuff.com/2011/10/c-program-to-an-executable/comment-page-1/#comment-958658