What purpose does a browser serve on your computer
It provides an internet software application for you to use.
You have obviously fell off the porch shelly
It allows you to connect with the world wide web and access virtual places that are connected over the Internet.
The main purpose of a browser in a computer is to enable domains function according to their capability. It also enables the sharing of network among files, in printing and also in the network card. Get detailed information on http://technet.microsoft.com/en-us/library/cc787537(v=ws.10).aspx and http://www.chicagotech.net/browser.htm.
Internet I believe.