Describe how to access the Internet. What are the providers? Define browsers and discuss URLs, HTML, javascript, AJAX, applets, and mobile browsers.

The most common way to access the Internet is through an Internet service provider(ISP).

The providers are already connected to the Internet and provide a path or connection for individuals to access the Internet.
Browsers are programs that provide access to Web resources.This software connects you to remote computers,opens and transfers files,displays text,images,and multimedia,and provides in one tool an uncomplicated interface to the Internet and Web documents.
For browsers to connect to resources,the location or address of the resources must be specified.These addresses are called uniform resource location(URLs).
Once the browser has connected to the Web site,a document file is sent back to your computer.This document typically contains Hypertex Markup Language(HTML).
A language called javascript is often used to trigger simple interactive features,such as opening new browser windows and checking information entered in online forms.
An advanced ues of javascript called AJAX can be found on many interactive sites.This technology is used to create interactive Web site 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.
Mobile browsers are designed to run on these portable devices.A mobile browser is displayed on a very small screen and special navigational tools are required to conveniently view Web content.