1. CIS 250 Advanced Computer Applications Internet/WWW Review

2. University of South Alabama - CIS 2502 Internet Review Internet – global network of networks WWW – system of Internet servers supporting specially formatted documents HTML – Hypertext Markup Language Language web documents are formatted in Weather, sports, email, reference info, entertainment, financial services and much more!

3. University of South Alabama - CIS 2503 Connecting to the Internet Three components needed Communications capability (modem, LAN connection) Internet Account/ISP Software

4. University of South Alabama - CIS 2504 Activities & Issues Downloading – transfer from an outside source to your computer Uploading – transfer from your computer to another device FTP programs Vulnerabilities – viruses and worms Antivirus programs

5. University of South Alabama - CIS 2505 Components of the Web Web Server – stores hypertext/hypermedia documents and makes them available Web Client – PC or device used to access files held on web servers Web Browser – software application used to locate and display web docs Netscape Navigator Internet Explorer

6. University of South Alabama - CIS 2506 Web Documents and Web Sites Formatted in HTML Hyperlink tags used to link multiple HTML docs together and to connect to other web sites Web Page – one HTML document Web Site – collection of related web pages Home Page – main page of a web site; also defined as the first page displayed when you open your browser

7. University of South Alabama - CIS 2507 Addressing on the Web Every device on a network has an IP address Unique 32-bit numeric address identifying a specific device Domain name address – text name identifying one or more IP addresses (ex: Microsoft.com represents about a dozen IP addresses) Domain Name Addresses are translated into IP addresses by a Domain Name Service

8. University of South Alabama - CIS 2508 URLs Uniform Resource Locator – Identifies document residing on a web server Parts Transfer protocol (http or ftp) Domain name of host server Pathname (if applicable) File name of document http://www.webopedia.com/TERM/U/URL.htm

9. University of South Alabama - CIS 2509 Elements of a Web Browser Same program components as many other apps Scroll bars Status bars Tool bar Home, history, back, forward, reload/refresh, stop, favorites, address line Save web pages to disk or send via email

10. CIS 250 Advanced Computer Applications Internet/WWW Review