Introduction to Internet, WWW, and more, Slides of Information Technology

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The Internet and

World Wide Web

Objectives

Discuss how the Internet works Understand ways to access the Internet Identify a URL Know how to search for information on the Web Describe the types of Web pages Define Webcasting Describe the uses of electronic commerce (e-commerce) Identify the tools required for Web publishing Explain how e-mail, FTP, newsgroups and message boards, mailing lists, chat rooms and instant messaging work Identify the rules of netiquette Recognize how Web pages use graphics, animation,audio, video, and virtual reality

The Internet

What is the Internet?

 Also called the Net , Information Superhighway, Cyberspace  (^) A worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals

What is the difference between

Internet and internet?

internet internet is short for internetwork which is a collection of interconnected networks. Internet Internet refers to the world's largest internetwork which consists of hundreds of thousands of interconnected networks worldwide.

message board instant messaging file transfer e-mail Web

What are some of the services found on the Internet?

chat

The Difference Between the Internet and World Wide Web  (^) Many people use the terms Internet and World Wide Web (a.k.a. the Web ) interchangeably, but in fact the two terms are not synonymous.  The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. Information that travels over the Internet does so via a variety of languages known as protocols.  The World Wide Web , or simply Web , is a way of accessing information over the medium of the Internet. It is an information-sharing model that is built on top of the Internet. The Web uses the HTTP protocol, only one of the languages spoken over the Internet, to transmit data.

The World Wide Web

What is the World Wide Web (WWW)?  Also known as the Web  (^) A worldwide collection of electronic documents  (^) Each document on the Web is called a Web page  (^) Can contain text, graphics, sound, and video  Can contain built-in connections to other documents  (^) A Web site is a collection of related Web pages

The World Wide Web

What is a Web browser?  Also called a browser  (^) Software program that allows you to access and view Web pages  (^) Popular browsers

• Google Chrome
• Safari
• Microsoft Edge
• Mozilla Firefox
• Samsung Internet
• Opera
• Brave
• Internet Explorer

https://www.oberlo.com.ph/statistics/browser-market-share

The World Wide Web

What is a home page?  Starting page for a browser  Provides information about the site’s purpose and content  Some Web sites also refer to their starting page as a home page  (^) May be changed at any time

The World Wide Web

What is a hyperlink? 

Also called a link



Built-in

connection to

another related

Web page or part

of a Web page



Allows you to

obtain information

in a nonlinear way

The World Wide Web

How can you identify a link?  Link can be a word, phrase, or image  (^) Text links usually are underlined or in a color different from the rest of the document  (^) A graphical link may change its appearance when you point to it  (^) The shape of the pointer on the screen changes to a small hand with a pointing index finger when you position it on a link or point to the link  (^) Click the link to activate it

The World Wide Web

What is a Uniform Resource Locator (URL)?

 Unique address for a Web page  (^) Browser retrieves a Web page by using the URL  (^) Also called a Web address  (^) Type the URL into the address text box on the browser and press the Enter key to display a Web page http://www.nationalgeographic.com/travel/index.html address text box address text box

The World Wide Web

What are the parts of a URL? protocol domain name path http://www.nationalgeographic.com/travel/index.html