• Discuss origins of internet and web• How to access web• Discuss internet communications• Describe search engines• Discuss electronic commerce• Web utilities
The Internet• Referred to as the informationsuperhighway that connects you tomillions of other people and organisations• Is used for– Communication– Shopping– Searching– Entertainment– Education
The internet• Launched in 1969– United States funded a project namedAdvanced Research Project Agency Network(ARPANET)• The Web also known as WWW waslaunched in 1992 at Center for EuropeanNuclear Research in Switzerland
Internet and Web• Internet is the physical network made ofwires and satellites• The Worldwide web is the multimediainterface to resources available on theinternet
Internet Access• Service providers– National level– Regional level– International level• Browsers• Uniform Resource Locators (URLs)– Protocol– Domain name– Domain code
Web sites• Hyper Text Markup Language (HTML)• Hyperlinks• Web Servers
E Commerce• Business to consumer (B2C)– Web store fronts– Auction house sites• Consumer to consumer (C2C)– Web auctions• Business to business (B2B)– Supplier to manufacturer– Producer to seller
E Commerce• Comparison sites• Security– Payments– Phishing sites ( Bogus Sites)– Spywares• Web utilities– TELNET– FTP– Plug-ins– Filters
SPYWARES• Spyware is any technology that aids ingathering information about a person ororganization without their knowledge. Onthe Internet (where it is sometimes calleda spybot or tracking software), spyware isprogramming that is put in someonescomputer to secretly gather informationabout the user and relay it to advertisersor other interested parties. Spyware canget in a computer as a software virus or asthe result of installing a new program.
PLUGINS• A software plug-in is an add-on for aprogram that adds functionality to it. Forexample, a Photoshop plug-in (such asEye Candy) may add extra filters that youcan use to manipulate images. A browserplug-in (such as Macromedia Flash orApple QuickTime) allows you to playcertain multimedia files within your Webbrowser. VST plug-ins add effects foraudio recording and sequencing programssuch as Cubase and Logic Audio.
Summary• What is internet and the Web• Different components of internet access– Service provider, browser, website• Internet communication• Internet Search• E Commerce