What is the difference between .html .xml .php .asp .aspx? Please tell me.

These all are use to design and develop web applications, thanks

(.html)Hypertext Markup Language is the basic language used to write web pages. HTML is a mark up language and not a full-blown programming language so is therefore essentially static in nature. HTML is parsed by your web browser when a web page downloads and consists of tags (commands to tell the browser how to render the text, where to load in graphics etc on the web page) as well as the actual text. XML (Extensible Markup Language) is a W3C initiative that allows information and services to be encoded with meaningful structure and semantics that computers and humans can understand. XML is great for information exchange, and can easily be extended to include user-specified and industry-specified tags. .php, .asp and .aspx are the platforms on which the web applications are created. The difference b/w html and these three platforms are that .html can be used only to create static web pages. It does not respond dynamically to the actions performed by the users. To respond dynamically to user requests , you use client side and server side scripting in addition to HTMl pages. asp, .aspx and .php are used to do the server side scripting of the web application.