Tuesday 23 July 2013

Topic 5- Internet Applications


 salam


This is the most interesting topic for me. Internet is a famous network that peoples use it to do certain functions such as finds information, share resources, upload and download files, use to communicate with people, and buy products and services. The internet is become very important so, we need to know the history of it. Actually, the U.S. Defense Advanced Research Project Agency (DARPA) started to study ways to interconnect network in various kinds in 1960. So, after six years the internet has discovered but with another name called ARPANET in 1969. Then, they change the name from ARPANET to become Internet in 1989. From that period people still called it internet until nowadays. The internet has several services and application. So, I mentioned down some of them which I learnt in this topic.

One of the services is called Electronic mail (Email). This service allows messages to be exchanged from computer to computer. However, it needs Email programs such as Yahoo, Gmail, and Hotmail which used to create, send, receive, forward, store, print and delete email.    

Another service in the internet is called the Web. It contains hypertext links or highlighted keywords and images that lead to related information. So, a web is organized using documents called web pages; a collection of linked Web pages that has a common theme or focus is called a Web site; a collection of the documents. To identify a Web pages exact location, Web browsers depend on Uniform Resource Locator (URL). URL contains four parts which are transfer protocol, domain name, pathname, and the name of the file.


In addition, to allow Web browser software to read the web pages and other information, the text must be formatted according to a standard by using Hypertext Markup Language (HTML). Nonetheless, to access the Web, we need Internet connection, Internet Service Provider, and then we need special software called a browser to access the Web. So, we need to access the Web to Internet Service Provider (ISP) such as Celcom; commercial company that provide the Internet in Malaysia and Microsoft network. Moreover, to access the Web, we also need a Web browser such as Firefox and Chrome; software programs that are used to view web page.


                       

   
Transfer Protocol is another service in the internet. The transfer protocol is the set of rules or software that the computers use to move files from one computer to another on the Internet. The most common transfer protocol used on the Internet is the Hypertext Transfer Protocol (HTTP) and File transfer Protocol (FTP).


Another service in the internet is called Chat Rooms. Chat Room is a channel, medium, or location on Internet that allow people to chat with each other. For example, Yahoo Message Chat Room and Real Chat.
      

Voice Over Internet Protocol (VOIP) or “Internet Telephony” is another service in the internet. This service uses internet to make phone call or video call. It also allows users to speak to other user over internet. The examples of VOIP are Skype and Yahoo voice.



                             
News Groups is also a service in the internet. Electronic bulletin board conducts discussions about specific topic or subject. It includes newsreader program use to access newsgroup like Google Talk, Google Group.

Finally, I hope that you enjoy with these information.


Thank You



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