If you don’t know the actual working of your browser, how it opens website from internet, or how your browser request the server to fetch a particular address ? I am sure this comic infographic will help you understand. Well it is not a complete guide but some cartoonist representation helps more easy understanding then reading long stories. This handy comic strip was shared by Labnol.
The pictures shows a user who seems to be a king in front of a browser and orders the browser to open a website. The browsers starts its working talks to DNS servers and hosts to fetch the requested website. I really liked the illustration.