1. Web Based Systems for Engineering and Management Professors Iris D. Tommelein and Arpad Horvath Fall 2000

2. WWW Anyone? 4 WWW = World Wide Web - network of computers that talk to each other Tim Berners-Lee 1980, implemented 1989 –distributed –cross platform –interactive & real time –text, graphics, sounds, video Mosaic 1993 by Natl. Ctr. Supercomputing Applics. (NCSA) Marc Andreesen founded Netscape

3. W3C World Wide Web Consortium 4 organization that defines web standards 4 http://www.w3c.org/

4. 4 HTML = Hypertext Markup Language 4 URL = Uniform Resource Locator - acronym for a “web address” –http://www.somename.edu/ e.g., http://www.ce.berkeley.edu/~tommelein –http:// www.somename.com/ –http:// www.somename.org/ 4 DNS = Domain Name Server, like a telephone book, translates a URL into a physical IP address

5. Protocol: convention all computer programs use to communicate something with each other 4 HTTP: Hypertext Transfer Protocol - set of rules to enable web browsers to communicate with web servers 4 IP = Internet Protocol 4 FTP = File Transfer Protocol 4 SMTP = Simple Mail Transfer Protocol 4 TCP = Transmission Control Protocol

6. HTML SAMPLE: http://www.ce.berkeley.edu/Programs/Construction/index.html 4 File structure vs. format –like Microsoft Word’s STYLES 4 Tags wrap around contents: … 4 Text formatting, e.g., headings: … BROWSER INTERPRETS!

7. Links to Other Pages 4 Names within same document: Program Objectives and elsewhere in the document: Program Objectives  In same directory: CE&M Schedule Fall 2000  Anywhere in the world: U.C. Berkeley Free Univ. Brussels On-line multimedia guide to Belgian Beer

8. Lists 4 Bullet lists Program Objectives... 1.Ordered lists...

9. Graphics 4 Pictures 4 Animated gif: 4 Downloading images

10. Copyrights All materials (on the web) are copyrighted by default (anything you write is copyrighted too), even when no © is added! YOU MUST ACKNOWLEDGE THE WORK OF OTHERS 4 Cite text and images retrieved from web as: -- (2000). “http://www.ce.berkeley.edu/Programs/Construction/index.html” visited on 8/29/00 at 10:00 AM

11. Creating Your Own 4 Notepad 4 Netscape Composer 4 Microsoft Word 4 Adobe Pagemill 4 etc.

12. References 4 Lots of books and on-line information –e.g., Bryan Pfaffenberger and Alexis D. Gutzman (1998). HTML 4 Bible. IDG Books, Intl. Data Group Co.