Internet Basics The Internet Is… – a network of networks – a community of people, businesses, schools and organizations – E-mail, web pages, databases,

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Presentation transcript:

Internet Basics The Internet Is… – a network of networks – a community of people, businesses, schools and organizations – , web pages, databases, file transfer and exchange – based on the TCP/IP protocols

How Information moves: TCP / IP TCP (Transmission Control Protocol) IP (Internet Protocol) Addresses Domain Name System (DNS) Converts English names like: into Machine (IP) names: IP Routing Your ISP (Internet Service Provider) resolves the address with their DNS servers so that: – is translated to

The Internet vs The Web The Internet is ALL of the computers and ALL of the information available The World Wide Web is a subset of the Internet that contains hypermedia and is accessible through a Web browser. What is the difference between the Internet and the World Wide Web? What is the difference between the Internet and the World Wide Web?

Resource Addresses protocol://address/dir/file http hyper text transport protocol Normal Web pages httpsSecure Web pages ftpFile Transfer Protocol There are others… Uniform Resource Locators (URLs)

Common Domains NET Network Sites ORG Non-profit Organizations UK United Kingdom CA Canada AU Australia EDU Education MIL Military GOV Non-Military Government Sites COM Commercial Organizations

Whos in charge of Internet Domains? In 2011 BIG changes were announced, if you are willing to pay big bucks, you are now allowed to create domains names using any combination of letters and numbers. ICANN Internet Corporation for Assigned Names & Numbers

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