Simply put, web based software – also called web based application or web application – is a piece of software that runs on one computer but can be used on several other computers. Now I could go deep into this but the purpose of this article is to give the regular computer user a very basic understanding of what web based software is. Let’s see what are the pros and cons of a web based software over a desktop software (the one you install AND run on your computer only). One of the major advantages of a web based software is that it can be used from any computer as long as both, the server and the computer on which the software is used, are connected to the same network. The largest network on earth is the internet so, as long as two computers are connected to the internet they are able to communicate to each other.
read more here: http://www.the-business-manager.com/blog/what-is-web-based-software/