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Sunday, 7 April 2013

WEEK 10 COMPUTER AND INTERNET

WEEK 10;
This week we learn about The Internet; its history and the underlying technologies. The internet can be defined as- a hypertext linked network provided through the World Wide Web. We also discussed the history of the internet which started with the ARPANET. We continued to discuss timeline of the internet. we also know that no one owns the internet and has no formal management organization.
It can be used to send e-mail messages, participate in discussion groups and surfing the web. we also discussed the traditional and the new application of the internet.
the illustration of the internet network and the internet growth trend was done in class.
We also looked at the underlying technologies: the 7 Layers of the OSI Model, and also discussed hyperyext and Early HTML(Hypertext Markup Laguage).
The World Wide Web was also discussed, where we know it was created by Tim Berners Lee, a researcher for CERN, in 1989. 
We are also able to differentiate between World Wide Web, Web site and home page. We also talked about the early browsers, internet explorer and the current browsers including the latest developments.
we also discussed the internet connection where we discussed the following; LAN servers, Serial line internet protocol9SLIP) and Point -to-point protocol(PPP)  and also connection via on-line service provider (ISP). We went on to discuss how to access the internet? and creating a new dial-up connection as well as modifying an existing dial-up connection.

This led us to server structure of the Web and Addresses on the web: IP Addressing and also Domain name addressing. uniform resource allocators was looked at after that.
Lastly we winded up with the structure of a URL (Uniform Resource Locators).



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