Introduction to Internet:


Internet is one of the major reasons why people buy computers these days. Through the Internet, society has access to information from all around the globe. The advantages of the Internet are that you can use it from a computer anywhere: at home, at work, at school, or at a restaurant.
The Internet also called the Net is a World Wide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals. Each of the networks on the Internet provides resources that add to the abundance of goods, services, and information accessible via the Internet.
And because any person who gets connected to the Internet gets connected to you, you can communicate with anyone on the Internet by sending e-mail, posting messages in newsgroups ( electronic bulletin boards), chatting in real time in various chat areas, and even telephoning and videoconferencing over the Internet.
Today, more than one billion home and business users around the World access a variety of services on the Internet.

WORLD WIDE WEB (WWW):

Many people use the terms World Wide Web and Internet interchangeably, but we have just learnt that the World Wide Web is actually a service of the Internet. While the Internet was developed in late 1960s, the World Wide Web emerged in the early 1990s. since then, it has grown phenomenally t become one of the more Widely used Internet services. Each Web server hosts one or more Websites, and each of those sites contains dozens, hundreds, or even thousands of documents called Web pages. On the Web, you do all of this using a special software program called a Web browser.

Web page:

Web page is an electronic document on the World Wide Web. A vast amount of information is provided by these Web pages. The information may include graphics, sound or even movies. Usually a Web pages as well.

Home page:

It is the first page retrieved when accessing a Website. It serves as a table of contents to the rest of the pages on the site or to other Websites. For example, a company’s welcome page typically includes the company’s logo, a brief description and links to the additional documents available at that site.

Web server:

A Web server is a computer on the Internet that stores Web pages. A Webpages is available for other people to view, when it is stored on a Web server.

Websites:
Website is a collection of Web pages. Most Websites have a home page as their starting point, which frequently functions as a table of contents for the site. Users need a Web browser and an Internet connection to access to a Website.

Types of Websites:


There are thirteen types of Websites. These are portal, news , informational, business/marketing, blog, wiki, online social network, educational, entertainment, advocacy, Web application, content aggregator and personal. Many Websites fall in more than one of these categories.

Portal:

A portal is a Website that offers a variety of Internet services from a single, convenient location. Portal includes the links of breaking news, weather forecasts, stock quotes, free e-mail service, sports scores, and a subject guide to information available on the Web. Popular portals include Rediff, Yahoo, AltaVista, AOL, Dog pile, iGoogle, Excite, Go.com, MSN, Look smart, Lycos, etc.

News:

A news Website contains newsworthy material including stories and articles relating to current events, life, money, sports, and the weather. Yahoo! News, CNN, MSNBC, Google News, New York Times, Huffington Post, Digg, Fox News, Reuters, ABC News, USA today, BBC News and Drudge Report are some of the popular news Websites.

Informational
:
An informational Website contains factual information. Some organizations provide information such as public transportation schedules and published research findings.

Business/Marketing
:
Almost every enterprise has a business/marketing Website which contains content that promotes or sells products or services. Insurance companies, Hewlett-Packard, General Motors Corporation, Pepsi, McDonald, etc., have business/marketing Websites. Some of these Websites allow you to purchase their products or services online.

Blog
:
A blog is a Website that consists of a frequently updated collection of entries. Blogs are also known as Weblogs. There are over 100million blogs on the Web. Blogging is an exciting and dynamic online medium by which you can publish your ideas, opinion and stories online. With millions of blogs available on Net, you can read what others have published. Blogger and Twitter are the mainly used blogs Websites.

Wiki
:
A wiki is a Website that allows users to create, add to, modify, or delete the Website content via their Web browser. Many wikis are open to modification by the general public. A popular wiki is Wikipedia, a free encyclopedia.

Online social network:

An online social network, also called a social networking Websites, is a Website that enables you to connect with people who share similar personal or professional interests. On most social networking sites, the members are connected to each other as friends, friends of friends, and so on. Social networking sites such as Orkut, Facebook and MySpace boast 100 million members each.

Educational
:
An educational Websites offers formal and informal teaching. On the Web, you can learn how computer works or how to cook a meal. Many companies provide online training to employees; and colleges offer online classes and degrees.

Entertainment
:
An entertainment Website provides many entertainments for you. You can download music, tune in to Internet-based radio stations, and listen to streaming audio, online games, chat rooms and much more. You can see the photos that people are sharing, view streaming video, watch movies on the YouTube site.

Advocacy
:
An advocacy Website describes a cause, opinion, or idea of a particular group or association. Democratic National Committee, the Republican National Committee, the Society for the Prevention of Cruelty to Animals, and advocacy Web sites.

Web application:

Web application is a Websites that allows you to access the software through a Web browser on any computer or device that is connected to the Internet. Some of these applications are free to use while some are chargeable. Examples of Web applications include Google Docs (World tax processing), and Windows Live Hotmail (email).

Content Aggregator:

A content aggregator is a Website that gathers and organizes Web content such as news, music, video and pictures and then distributes them to subscribers for free or with a fee. Subscribes select content I which they are interested. Whenever the selected content changes, it is downloaded automatically (pushed) to the subscriber’s computer or mobile device.

Personal
:
Any individual or family may maintain a personal Website or just a single Web page. These Websites are not associated with any organization. People make them for fun or share their thoughts.






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