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👤 Author: by 1014066814qqcom 2018-03-20 03:56:16 |
The most common way to access the Internet is through an Internet service provider. The provides are already connected to the Internet and provide a path or connection for individuals to access the Internet. The most widely used commercial Internet services providers use telephone lines, cable, and wireless connections.
Some of the best-known providers are Verizon, AT&T, Sprint, and T-Mobile.
Browsers are the 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(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(HTML).
Web pages can contain special programming to add interest and activity. A language called javascript is often used to trigger simple interactive features.
An advanced use of javascript called AJAX can be found on many interactive sites. This technology is used to create interactive Web sites that respond quickly.
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.
It is common to access the Internet from a variety of mobile devices like cellphone. Special browsers called mobile browsers and designed to run these portable devices. Unlike a traditional Web browser that is typically displayed on a large screen, a mobile browser is displayed on a very small screen and special navigational tools are required to conveniently view Web content.