. . . Information Super Highway Internet . . . . . . Information Super Highway . . . Cyberspace

What is the Internet? An ever-changing, ever-expanding worldwide network of computers connected through high speed telephone lines Information stored, transmitted, and received digitally Text, video, and audio

How do you get the Internet?

. . . Advantages vs. Disadvantages . . . Quick access to an abundance of information Ability to communicate with others in a timely manner via e-mail Non-discriminatory Validity of information No physical access to others Who are you really dealing with? Accessible to anyone and everyone

Business—Buying and Selling of Goods Uses of Internet . . . E-mail Research Business—Buying and Selling of Goods Recreation—Travel

. . . Searching the Internet . . . The following sites search the Internet for a topic, catalog the results, and display sites on the topic.

. . . Surfing the Internet . . . Clicking on hyperlinks (underlined, bold, or colored words) allows movement from web site to web site. Mouse pointer changes shapes from an arrow to a hand when moved over a hyperlink.

Internet Protocol . . . Internet Protocol — underlying method of communication which allows information to be exchanged across the Internet FTP POP HTTP SLIP SMTP

. . . Terms . . . Web browser—software that displays graphics and text of a specified site Examples: Netscape Navigator and Microsoft Explorer URL (Uniform Resource Locator) — a special kind of address that tells web browser the location of the site

. . . Parts of a URL . . . http://www.netscape.com/home/welcome.html protocol identifer server type folder filename extension pathname domain name Domain name—exact location of the Internet 1. Protocols—standardized procedures for transmitting files 2. server and the type of organization 3. Pathname—folder(s) in which the file is stored and the extension

. . . Internet Domains . . . .com .edu .mil .net .gov .org