Sunday, 21 July 2013

TOPIC 5 : Internet & www ( World Wide Web)

 
 
 
 
In this topic I have learnt about Internet and world wide web. It was a very nice topic. It was because make me more understand about internet and what is the advantages of internet. Now, I would like to review about what is the definition of internet.
  Definition of Internet:
 
   The Internet is a global system of interconnected computer networks that use the standard internet protocol suite(TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked  hypertext  documents of the world wide web(WWW) and the infrastructure to support email.
  
 
 
  We using Internet for:
  • Find general information/ Access information
    • Send( upload) or receive( down load) files between computers.
      • Share resources
        • To correspond/meet with people
          • Shop for product and services.
             
             
  
 
 
  And now i am going to describe about some history about internet. before become to internet in 1969 it was name ARPANET. until 1980 just become to be Internet.

 there are many service on the Internet. Such as,
 
  • Communication( electronic mail) 
    • World wide web
      • Protocol
        • Chat Room
          • Instant Messaging and IR.
             
1) Internet Service: in this part i am going to review about Email
Email: allowed messages to be exchanged from computer to another computers and it is also use to create, send, receive forward, store, print and delete email.
there are many programs that we can use for email: including,
  • Yahoo, Gmail, MSN and hot mail.

 
 
 
 
 
 
 
 
  Beside that, Internet also has The web service.
 



2) The Web
  Web was created by Tim Berners lee. It is a network of fine threads constructed by a spider from fluid secreted by its spinnerets, used to catch its prey. Moreover, web is a collection of linked Web pages that has a common theme or focus is called a Website.



  Actually Internet is not the same with Internet. Even it is similar meaning, but it's describe difference between internet and World Wide Web.
- Internet is the largest network in the world that connects people/organization all over the world. and it was exist in 1960 that was created by Vint Cerf. It is a big collection of computer. When we are using the Internet. You may not be using the world wide web.
For example: Skype via a phone, when you are using the internet. You can not using the world wide web in the same time on a computer.
 About World wide web:
It is a service of the internet. It was exist in 1990 and created by Tim Berners Lee. Moreover, it is a big collection of HTML pages on the Internet. When we are using the world wide web you are always using the internet.
In facts, if you want search information, you have to use internet and web.    




This weeks topic was about the "Internet and WWW". We learned about the differences between the internet and the World Wide Web. Internet functions are transport mechanism. Global WAN that connects approximately 1 million organizational computer nets in more than 200 countries. Internet enables people to access data in other organization and to communicate, collaborate and exchange information around the world, quickly and inexpensively.

WWW is an application that uses those transport functions. The web handles all types of digital information including text, hypermedia, graphics and sound. Later on we learned about Web-based Computing. The web current computing models include server side computing (CGI) and client side computing (Applets) and were initially designed for processing fill-out forms. Then we learned how internet infrastructure works. For example, instant messaging. When log in to IM server, the server determines in any of user established friends, family, co-workers called buddies are online. When the sender send instant voice or video communications to online buddies, the message travels through a messaging server and then to the online buddy's computer.

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