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Wednesday 11 April 2012

Internet



Hello world !!! Today I am going to explain about the internet and World Wide Web that is very popular to everyone nowadays. Without wasting time let me proceed on.

WWW and Internet are two widely known and used terms. This is the age of the internet and billions all over the world make use of it daily for various purposes. However, a vast majority of people think that World Wide Web and internet are synonyms. They tend to use the terms interchangeably which is wrong. Though the terms are related, there are differences between the two.

Internet is a massive network of networks that connects millions across the globe daily. It helps create a network in which anyone sitting in any remote corner of the world can get connected to any other person thousands of miles away. The only requirement for these two people to connect with each other is a computer and an internet connection. Millions of websites containing a sea of information are there on the internet and this information travels at the speed of light literally through various languages known as protocols.

On the other hand, WWW is a way of getting to the information available on the net. It is a model for sharing information that sits atop internet. The World Wide Web makes use of HTTP protocol, which is one of the languages used over the net to transmit information. The web utilizes browsers such as Chrome, Internet Explorer, and Firefox to get access to millions of web pages. These pages are liked to each other via hyperlinks in an amazing manner. It is not just text; web pages are full of graphics, images as well as videos.

It is thus clear that web is just a subset of the internet and not a synonym of internet. Though closely related, the two terms cannot be used interchangeably.

Today Internet and WWW continues growing day by day and it can be shown below by having a look at the graphs.


The Number of domain host in Internet

The number of domain host in WWW

It has been shown below that how an email may travel from sender to receiver. the internet makes our life easier for communication.
How a message travel between the servers

Web 1.0
Web 1.0 is the first generation of WWW. It is one-way broadcasting, meaning only the owner of the site can publish information. It was the content web. Early it was used for Not-for-Profit information age. A system of internet servers that support specially formatted document by using HTML and obviously WWW is not synonymous with the internet.

Web 2.0
Web 2.0 is the second generation of the WWW that focused on the ability for people to collaborate and share information online. It signifies a conversation between the original author of the content and all those who can comment or participate. It refers to the transition from static HTML web pages to a more dynamic HTML or dynamic web. It is also regarded as the social web for example Ex-Wikipedia, Face book, YouTube, all online affairs of government as well as private entity.

Element of Web 2.0
Web 3.0
Web 3.0 is an extension of Web 2.0. it is the location-aware and moment-relevant web. Combined with the social web 2.0 services, web 3.0 provides the internet user with the opportunity to engage with people all over the world on a variety of devices such as Ex-Twitter, 3G Cellular, Wi-Fi-network, iPhone, one ta-local movie listings and trailers.

That's all for today..see you for the next topic...Have a nice day !!!

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