The Internet and the World Wide Web

THE INTERNET AND THE WORLD WIDE WEB

THE INTERNET AND THE WORLD WIDE WEBINTERNETINTERNET - short term for interconnected networks, is a global network of computers tied together to share information and other resources. Also called as the net, the web, the cyberspace or the information highway.

Internet RootsU.S. Defense Advanced Research Projects Agency - linked four computers using telephone wires and call it DARPANET (and soon called ARPANET).

Robert Kahn (1972) - exhibits the first public demonstration of the ARPANET at the International Computer Communication Conference.

SNDMSG and READMAIL - Ray Tomlinson Internet RootsNational Science Foundation - linked 5 supercomputer centers and called it NSFNET.

ARPANET splits in two separate entities: MILNET to serve the needs of national defense and military communication; ARPANET which is primarily utilized by academics and researchers.

Domain Name System - Paul Mockapetris, Jon Postel and Craig Partridge. Host names (x.com) and User names ([email protected]).

ARPA six domain names: .edu, .gov, .mil, .com, .net, .org.Internet UsageKnowledge NavigationElectronic MailFile Exchange or TransferDiscussion Groups or ChatLive ConferencingOnline GamingShopping

WORLD WIDE WEBWeb multimedia-based collection of information, services, and sites supported by the InternetInterface you see and work withInternet vast network of computers that connects millions of people all over the worldInfrastructure that makes the Web possible

Web Sites, Addresses, and Pages Web site Web location where you visit, gather information, order products, etcUSA TodayWeb site address unique name for a Web sitewww.usatoday.comAlso called a domain name

Web Sites, Addresses, and Pages

Web site address or domain nameTop-Level Domainscom commercial or for-profit businesscoop cooperativeedu educational institutiongov government agencymil military organizationnet Internet administrative organizationint International treaties organizationinfo general informationbiz businessmuseum accredited museumname personalpro Accountant, doctor, lawyer, etc.Many moreWeb Browser SoftwareWeb browser software enables you to surf the WebThree most popularInternet Explorer (Microsoft)Firefox (Mozilla) Chrome (Google)

Web Browser Software

WEB 2.0Web 2.0 (Live Web) second generation of the Web; focuses on online collaboration, users as both creators and modifiers of content, dynamic and customized information feeds, etc.WikisSocial networking sitesBlogsRSS feedsPodcastingMany others

Internet TechnologiesInternet Service Provider (ISP) provides access to the InternetPLDTGlobeSmartDigitel

Internet Servers

Connecting To The InternetYou do it through an ISPISPs can be free, charge a monthly fee, charge a per-minute fee, etcMany offer Web space storage area where you keep your Web site

Communications SoftwareConnectivity software connect to your ISPWeb browser software to surf the WebE-mail electronically communicate with e-mail

Telecommunications HardwareTelephone modem connects your computer via a phone line (slow)DSL uses phone lines but supports simultaneous phone calls (fast)Cable modem uses your cable TV service (fast)Satellite modem Internet access through satellite dish (fast)

Telecommunications Hardware