What is World Wide Web (WWW) ?
World Wide Web (WWW) -A subset of the computers on the Internet that are connected to each other in a specific way that makes those computers and their contents easily accessible to all computers in that subset. A worldwide collection of electronic documents called Web page that contain text, graphics, sound, video, and links to other Web pages.
A Web site is a collection of related Web pages. A home page is the starting page for a browser. It is also called the Index page. It provides information about the web site’s purpose and content.
A Web browser is software that lets users read HTML documents and move one HTML document to another. A graphical user interface (GUI) is a way of presenting program output using pictures, icons, and other graphical elements instead of just displaying text. The GUI interface presented in Web browsers has been an important element in the rapid growth of the Web.
When you use your Internet connection to become part of the Web, your computer becomes a Web client in a worldwide client/server network. Computers that are connected to the Internet and that contain files that their owners have made available public through their Internet connections are called Web servers. Web browsers acts as a go-between a Web Server and Web Client.
Hypertext Markup Language (HTML) is a language that includes a set of codes (or tags) attached to text. These codes describe the relationships among text elements. HTML documents differ from word-processing documents because they don’t specify how a particular text element will appear.
A hypertext link, or hyperlink, points to another ocation in the same or another HTML document.
Types of Web Pages
1. Portal - offers a variety of internet services from a single, convenient location. Most portals offer the following free services:
• search engine
• local, national and worldwide news
• sports and weather
• free personal web pages
• reference tools such as yellow pages, stock quotes and map
• shopping malls and auctions
• email
• instant messaging and chat rooms
• newsgroups or message boards
• calendars
Wireless portals – is a portal specifically designed for web-enabled handheld computers and devices.
Example : MSN - www.msn.com
2. Advocacy – contains content that describes a cause, opinion or idea. The purpose of an advocacy web page is to convince the reader of the validity of the cause, opinion or idea.
Example : Hepatitis C - http://www.hepcadvocacy.org/
3. News – contains newsworthy material including stories and articles relating to current events, life, money, sports and the weather. Many magazines and newspapers sponsor web sites that provide summaries of printed articles, as well as articles not included in the printed versions.
Example : ESPN - www.espn.com
4. Informational – contains factual information. Many government agencies have informational web pages providing information like census data, tax codes and budget. Other information that you can find are public transportation schedules and published research findings.
Example : Yellowpages ReLaunch - http://www.yellowpages.com/
5. Business/marketing - contains content that promotes or sells products or services. Many of these companies allows you to buy their products or services online.
Example : Dell - www.dell.com
6. Personal – a private individual who normally is not associated with any organization often maintains a personal web page.
Example : Richard Stallman's Personal Home Page -http://www.stallman.org/
A Web site is a collection of related Web pages. A home page is the starting page for a browser. It is also called the Index page. It provides information about the web site’s purpose and content.
A Web browser is software that lets users read HTML documents and move one HTML document to another. A graphical user interface (GUI) is a way of presenting program output using pictures, icons, and other graphical elements instead of just displaying text. The GUI interface presented in Web browsers has been an important element in the rapid growth of the Web.
When you use your Internet connection to become part of the Web, your computer becomes a Web client in a worldwide client/server network. Computers that are connected to the Internet and that contain files that their owners have made available public through their Internet connections are called Web servers. Web browsers acts as a go-between a Web Server and Web Client.
Hypertext Markup Language (HTML) is a language that includes a set of codes (or tags) attached to text. These codes describe the relationships among text elements. HTML documents differ from word-processing documents because they don’t specify how a particular text element will appear.
A hypertext link, or hyperlink, points to another ocation in the same or another HTML document.
Types of Web Pages
1. Portal - offers a variety of internet services from a single, convenient location. Most portals offer the following free services:
• search engine
• local, national and worldwide news
• sports and weather
• free personal web pages
• reference tools such as yellow pages, stock quotes and map
• shopping malls and auctions
• instant messaging and chat rooms
• newsgroups or message boards
• calendars
Wireless portals – is a portal specifically designed for web-enabled handheld computers and devices.
Example : MSN - www.msn.com
2. Advocacy – contains content that describes a cause, opinion or idea. The purpose of an advocacy web page is to convince the reader of the validity of the cause, opinion or idea.
Example : Hepatitis C - http://www.hepcadvocacy.org/
3. News – contains newsworthy material including stories and articles relating to current events, life, money, sports and the weather. Many magazines and newspapers sponsor web sites that provide summaries of printed articles, as well as articles not included in the printed versions.
Example : ESPN - www.espn.com
4. Informational – contains factual information. Many government agencies have informational web pages providing information like census data, tax codes and budget. Other information that you can find are public transportation schedules and published research findings.
Example : Yellowpages ReLaunch - http://www.yellowpages.com/
5. Business/marketing - contains content that promotes or sells products or services. Many of these companies allows you to buy their products or services online.
Example : Dell - www.dell.com
6. Personal – a private individual who normally is not associated with any organization often maintains a personal web page.
Example : Richard Stallman's Personal Home Page -http://www.stallman.org/
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