Transcript Internet Lecture Slides

Internet
Common Terms
 The documents placed on the World Wide
Web?
 The language in which Web pages are
written?
 The element of a Web page that connects
you to another Web page?
 The address of a web page?
 HTML? FTP? ISP?
Internet
 Was developed in the late 1960’s for war
purposes by Department of Defense.
 It originated out of the Arpanet program
which emphasized a decentralized network
 It is composed of a network of networks
 In late 1980’s the National Science
Foundation took over project and
connected universities and researchers.
Internet
 How it is used:
• Commercially to connect to potential
customers
• Access newsgroups
• Retrieve data
• Access Software
• Send and Receive E-mail
Internet Tools
 Electronic Mail - send and receive e-mail
 Telnet - Connect one Computer to another
 FTP - File Transfer Protocol
 Usenet - newsgroups
 World Wide Web - organizes everything in
easy to use pages.
Connecting to the Internet
 A university Account (e.g.: Saclink)
 Private Business
 On-Line Service (AOL, Compuserve)
 Public Libraries
WWW- World Wide Web
 Developed by Timothy Berners-Lee in 1989
 Purpose was to make it easier for nuclear
researchers to share data
 First Web Browser was developed in 1993
by Marc Andreessen call Mosaic.
 Netscape was developed in 1994 and has
dramatically increased the speed and
features of the web
Web Browser
 Design to view web pages on the internet.
 Typically use either Netscape or Microsoft
Internet Explorer
 Browsers interpret the language in which
Web pages are written (HTML-Hypertext
Markup Language)
Web Browser
Web Browser Components
 Menu Bar
 Directory button Bar
 Toolbar
 Location Bar (URL-Uniform Resource
Locator) **
 Status Indicator
 Document Window
 Status and Progress Bar
WWW
 Links
 Search Engines
 HTTP
 FTP
Questions?
 The documents placed on the World Wide
Web?
 The language in which Web pages are
written?
 The element of a Web page that connects
you to another Web page?
 The address of a web page?
 FTP? HTML? ISP?