Explain why a URL must invovle an IP address

for in order to go to a website they all have a unique 'IP address'. so therefore to access a website you must write their name, which is then generated into an IP address. For example if you write in the address bar 'http//www.google.com' then it will generate

AAAAAAAAAAAaHHHHHHHHHHHHHHHHGGGGGGGHHHHHHHHHh

YOU FRICKIN ASKED 'JUNE 11 2010' AND IS STILL UP THERE. WHAT WITH THIS DUM WEBSITE.

When you enter a URL (Uniform Resource Locator) web address into your browser, it goes to your service provider's DNS (Domain Name Server) and looks up the IP (Internet Protocol) address of the URL, then processes your request for that IP.