The Internet Teaching Learning Seminar Computer Studies.

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Presentation transcript:

The Internet Teaching Learning Seminar Computer Studies

The Internet Not one network but thousands of networks all interconnecting with each throughout the world.

Internet ResourcesE-commerce Web Sites Chat Groups Internet Radio Download Or Upload Usenet Internet Telephony Instant Messaging

Internet Terminology  Backbone: defines main Internet routes  Constructed and maintained by major telecommunications companies  TCP/IP:  Transmission Control Protocol/ Internet Protocol

Internet Terminology  Server software  IP Address: unique number for each Internet computer  Packets: small chunks of data ready to travel the Internet  Router: helps send along the packets to correct destination

Modem Internet Connections  Dial-up connection via modem (56K)  Cable modems  Network card and cable modem required  Always-on and 25 times faster than dial-up

Faster Internet Connections  ISDN (Integrated Services Digital Network)  64K or 128K  Always-on and expensive  DSL (Digital Subscriber Line) and xDSL  Up to 125 times faster than dialup  DSS (Digital Satellite Service)  500K Need proximity to a telephone switching station

Internet Service Provider (ISP)  Provides internet access to businesses, organizations and individuals  Provides telecommunications equipment  User ID and password required  Connects you to backbone  account monthly fee  Should have local access telephone numbers

World Wide Web Basics  Files interconnected via hypertext  Web pages make up a web site  Home Page  Links or hyperlinks  Web servers

World Wide Web Basics  URL  No spaces and Case sensitive  HTTP (Hypertext Transfer Protocol)  HTML (Hypertext Markup Language) .htm or.html file extension Document name and filename extensionFoldername Webservername Webprotocolstandard

Using Browsers  Can type URLs  HTML tags tell browser how to display web page data  Back, forward and stop buttons  Setting a home page  Print options  History list  Favorites and bookmarks  Edit and Find Microsoft Internet Explorer® and Netscape Navigator®

Search Engines Keywords