Key words of surfing Internet

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Let’s talk about the key words of surfing Internet in NextisEasy….

A computer network means two or more computers connected together with special cables or devices to share information.
Millions of computers around the world which are connected together to share information creates the Internet. It stands for International Network.

Internet and its versatility has spread worldwide like a fire in this decade. Internet is a major tool to communicate, socialize, shop and work.

The Internet is a worldwide, publicly accessible network, made up of thousands of interconnected computer networks. No one has a idea about the number of computers connected to the internet but the number is growing rapidly. The computers on the internet communicate with each other using the Transmission Control Protocol/Internet Protocol (TCP/IP).

So let’s read about the Key Terms of Internet……  

 World Wide Web

The World Wide Web consists of files, called pages or web pages, containing links to documents and resources throughout the internet.

The World Wide Web (abbreviated Web or WWW) was developed in 1989 by Tim Berners Lee in Switzerland. The initial purpose of the Web was to use Networked hypertext to facilitate communication among its members. A rapid growth in the number of both developers and users led to incorporation of graphics, videos and sounds.

Hypertext

Hypertext is a document containing words that connect to other documents. These words are called links and are selectable by the user. A single hypertext documents, images, videos and sound. The entire operation of Web mainly relies on hypertext.

HTML

Producing hypertext for the Web is accomplished by creating documents with a language called Hyper Text Markup Language (HTML). It provides a more flexible way to design web pages, along with text With HTML, tags are replaced within the text for document formatting, like font size, italics and bold, and the creation of hypertext links. Graphics and multimedia can also be included in an HTML document.

Web Browser

A Web Browser is a software program that allows users to access and navigate the web pages or World Wide Web (WWW).

URL

Uniform Resource Locator (URL), it specifies the internet address of a file stored on a host computer connected to the internet. Every file on the internet has a unique URL. Web Browsers use the Uniform Resource Locator to retrieve the file from the host computer and the specific directory in which it resides.

ISP

Internet Service Provider (ISP) is the company that gives us access to the internet for fee. The browser will not be able to display pages unless the computer is connected to an ISP (Internet Service Provider). For example: TATA, AIRTEL, RELAINCE etc.

Web Page

Information is put on the Internet in the form of digital pages called Web Pages. These pages may contain text, graphics, video, audio and link to other pages.

Web Site

As a book contains a number of pages, similarly a web site is a collection of many web pages linked together.

Home Page

Each website has a main page and it contains link to other pages. When you visit any site, the first page that opens is called the Home Page.

Multimedia

The Web has become a broadcast medium where we can listen to audio and videos, both pre-recorded and live. For example, you can visit the sites of news organizations and views the same videos shown on the news. Several plug-ins are available for viewing these videos.

Earlier, the entire multimedia files, which used to be quite large and took time in downloading, had to be downloaded before viewing. This problem has been solved by a revolutionary development in multimedia capability: Streaming Media. 

In this case, audio or video files are played as they are Downloading, or Streaming, into your computer. Only a small wait, called Buffering, is necessary before the file begins to play.

The Windows Media Player, RealPlayer and QuickTime plug-ins play streaming audio and video files. Extensive files such as interviews, speeches, hearings and televised video clips work very well with these players. They are also ideal for the broadcast of real-time events.

Shockwave and Flash are plug-ins that offers the creation and implementation of an entire multimedia displays combining graphics, animations and sounds.

Live cams are another aspect of the multimedia available on the Web. Live cams are video cameras their send their data in real time to a Web Server.

Real-Time Communication

Text, audio and video communication can happen in real-time (on-line) on the Web. These capabilities allow people to conference and collaborate in real-time.

At its simplest, Chat programs allow multiple users to type to each other in real time. More enhanced real-time communication offers an audio and/or video component. The real-time communication tools include:

  • Chat: Type in real time
  • Audio: Conduct a telephone conservation on the Web
  • File Transfer: Send files back and forth among participants
  • Document/Application Sharing: View and use a program on another’s desktop machine

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