Tuesday, 23 July 2013

Internet Application And World Wide Web (WWW)





Internet and World Wide Web is second last topic of information technology (IT). In our tutorial lab class our beloved lecturer explained about that topic. Before she started lecture, she asked students whether they had some knowledge about internet and worldwide web or not .Some students tried to explain their knowledge about internet and www.  After getting our point of view, she started to explain that topic more clearly. First of all, she explained about internet. Internet is largest network in the world that connects people all over the world and it has been using in different fields all over the world from last few decades. To build over knowledge about the use of internet around the world we came to know some of the applications of the internet such as, access information, Send (upload) or receive (down load) files between computers and share resources.
                                                



Then she explained about history of internet. As I was well aware about its history, so it became clearer to me. The history of internet is shown in the following diagram:





The most interesting thing is that internet is providing various kinds of facilities to its users such as, E-mail, chat room, protocol, IR and instant message. She explained each facility very well. I was able to get the concept of the web server and web client.





I was quite able to differentiate between web server and web client. Every Web server has an IP address and possibly a domain name and Web client end user PC. She provided knowledge about transfer protocol that is the set of rules/software that computers use to move files from one computer to another by using internet. At last she taught about chat rooms VoIP and news group. According to my awareness, chat rooms are channel/medium/location on Internet that allow people to chat with each other while VoIP(voiceover Internet Protocol) uses internet to make people call/video call and allow people to speak other users over internet through Skype and yahoo voice.



To sum up, this part of lecture was really interesting and we were able to get fruitful knowledge about internet and www.

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