INTERNET TECHNOLOGY

3.2 The Internet3.2.2 World Wide Web

3.2.2.1 Web Browser

Topic 3

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Learning Outcome

At the end of this topic, students should be able to:

• Explain the purpose of Web browser.• List examples of Web browser.

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World Wide Web (WWW) What is the World Wide Web (WWW)?• The World Wide Web (WWW), or Web, consists of a

worldwide collection of electronic documents.Web Terms Definition

Web page Each electronic document on the Web, which can contain text, graphics, animation, audio, and video.

Web site Is a collection of related Web pages and associated items, such as documents and pictures, stored on a Web server.

Web server A Web server is a computer that delivers requested Web pages to your computer.

Web 2.0 Web sites that provide a means for users to interact (social networking Web sites, wikis)

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How do we browse the Web?• A Web browser, or browser, is application software

that allows users to access Web pages and Web 2.0 programs.

• The primary purpose of a Web browser is to display information resources to the users through retrieving, presenting, and navigating information.

World Wide Web (WWW)

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Example of Web Browser

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• A Web browser will retrieve and display a starting Web page called the home page.

• A home page, refers to the first page that a Web site displays that provides information about the Web site’s purpose and content.

• A home page usually contains links to other documents, Web pages, or Web sites. A link, short for hyperlink, is a built-in connection to another related Web page or part of a Web page.

World Wide Web (WWW)

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Domain Name

Web Browser

Hyperlink

Home Page

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Examples of Web browser:

World Wide Web (WWW)

Internet Explorer Firefox Opera

Safari Google Chrome

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• Internet-enabled mobile devices such as smart phones use a special type of browser, called a microbrowser, which is designed for their small screens and limited computing power.

World Wide Web (WWW)

• Downloading is the process of receiving information.