Topic 1.1 What is the Internet?

Internet



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• The Internet is ubiquitous
• Learned about the history - the Internet is a collection of computers linked via phone lines, power lines, satellites, cables and radio
• "The Internet is not the World Wide Web"
• A network joined with other computers
• Your web browser respond to a web server
• TCP/IP "enable the movement of information between nodes on the network"
• Every computer has a IP (Internet Protocol) address
• TCP (Transmission Control Protocol) - divert data from your computer to receiving computer
• Routers read the transmitted data
• Domain names: e.g. .com, .org, .edu, .gov
• Second level domain names are: "Yahoo, Google, Curtin" etc.
• Brandwith -" amount of available communication resources"
• Broadband - "high speed", fast connection - this is not dialup - does not make use of standard telephone service
• Simple Mail Transfer Protocol (SMTP) - allows sending/receiving of email
• File Transfer Protocol (FTP) - allows files to be transferred
• News Network Transfer Protocol (NNTP) - newsgroups connected to topics
• Internet Relay Chat (IRC) - simultaneous connection