The most common way to access the Internet is through an Internet  service provider.The providers are already connected to the Internet and provide a path or connection for individuals to access the Internet.Some of the best-known providers are Verizon,AT&T,Sprint,and T-Mobile.

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 locations(URLs).

HTML is the command contained in document file that Web site sent back to your computer.The browser interprets the HTML formatting instructions and displays the document as a Web page.

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

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

applets are written in the Java programming language .Java applets are used to present animation,display graphics,provide interactive games,and much more.

Mobile browsers are designed to run on these portable devices to access the Internet.It's displayed on a very small screen and special navigational tools are required to conveniently view small content.