Internet Services and WWW Sadiq M. Sait, Ph.D [email protected] Department of Computer Engineering King Fahd University of Petroleum and Minerals Dhahran, Saudi Arabia 1 Topics Covered in this Session A brief overview of relevant Internet Services l Web Page Design and HTML l Web Client/Server Software and HTTP l Images and Image Maps l Frames, Forms & Web-DB integration l E-Commerce l Several other related topics l 2 Lingo HyperText: Enables linking to places l Link(s) l Hyperlinks: Hot spots on which a user can l click to access other: » topics (in the same document) » documents, (other HTML files, for e.g.),or » Web sites URL: Addresses on Internet to which hot l spots connect 3 Lingo GIF, JPEG, XBM, XPM (picture formats) l Netscape, Mosaic, Iexplorer (browsers) l WebEdit, HoTMetaL, FrontPage (editors/tools) l FTP, TCP/IP, HTTP (protocols) l Applets, J++, javac, Java Engine (Java l programming) xxvv, clipart, adobe-photoshop etc., (graphics l editors) 4 Tutorial Outline Two main components l l Internet Services & WWW Web & Related Multimedia l E-Commerce l Demo of selected concepts l 55 What Is The Internet? Worldwide network of computer networks l No central authority l Quick communication & data transfer l Size more than doubles annually l Traffic increases more than 15%/month l Offers an enormous array of information l 66 What Is The Internet? Network of computer networks with TCP/IP as the common language 77 Who Runs The Internet? No one owns or runs the Internet. l Every computer connected to the Internet is l responsible for its own part. The National Science Foundation is responsible for l maintaining only the backbone. http://www.isoc.org If something doesn(cid:8217)t work, you do not complain to the l (cid:8216)management(cid:8217) of the Internet. Instead you talk to the system administrators of the computer you are connected to. 8 8 Virtual Library Databases l » Individual Library Catalogs » MEDLINE Publications l » English, Arabic and other Newspapers » Electronic journals Software l » (cid:8220)Freeware(cid:8221) or (cid:8220)Shareware(cid:8221) Audiovisuals l » Graphics, sound, motion pictures 99 What Do You Do On The Internet? Search and Retrieve Documents l Exchange e-mail (100 M email addresses) l Download programs, demos and graphics l Search databases of Companies and Government l Read and Response to USENET groups (30,000 l different topics) Real-time chat, Web-phone and video conference l 1100