hen you type in the url and Hit Enter, what happens after that ?

Lets Trace and see what happens !

Do the following :
# Start >> Run
or goto command prompt

# Type tracert www.google.com

---------------------- Note ------------------------
You can replace www.google.com with any website url.
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Results :
$ First line shows the IP address of the website... $ You'll be shown steps in which the website gets load !
$ More is the number of steps more is time taken to load the website