First use commercial Internet service providers use telephone lines, cable, and/or wireless connections to get connected with ISP, then use a browser to access to web resources.

Provider is Internet service provider which is already connected to the Internet and provide a path or connection for individuals to access to the Internet.

Browsers are programs that provide access to Web resources.

For browsers to connect to resources, the location or address of the resources must be specified. These addresses are called uniform resource locators, which is also called URLs.

Once the browser has connected to the Web site, a document file is sent back to your computer. This document typically contains Hypertext Markup Language, which is called HTML.

javascript is a language that is often used to trigger simple interactive features, such as opening new browser windows and checking information entered in online forms.

AJAX is an advanced use of javascript. It is used to create interactive Web sites that respond quickly, like traditional desktop application software.

applets are written in the Java programming language. These programs can be downloaded quickly and run by most browsers. Java applets are used to present animation, display graphics, provide interactive games, and much more.

Mobile browsers are special browsers that are designed to run on these portable devices. Unlike a traditional Web browser that is typically displayed on a large screen, a mobile browser is displayer on a very small screen and special navigational tools are required to conveniently vies Web content.