Sabko Ram-Ram n Hi-Hello ...
Here is the site which I found most helpful in finding how all technical stuff n other general things works ......
Whenever I need for any help I visit this site so I recommend special technical peoples to visit the site when they are in trouble
Link of site is
HOW STUFF WORK
&&&&
http://www.howstuffworks.com
click any1 of these links
Thanx