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IST 221 Internet Concepts and Applications Internet, WWW and HTML 1.

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Presentation on theme: "IST 221 Internet Concepts and Applications Internet, WWW and HTML 1."— Presentation transcript:

1 IST 221 Internet Concepts and Applications Internet, WWW and HTML 1

2 Internet? World wide Web? Internet –A collection of individual computer networks –Purpose: communication and sharing computer resources WWW –A collection of documents -- web pages, software and protocols that has been installed on the Internet. –Purpose: Sharing information such as text, image, sound recordings.

3 Internet Low level protocol: TCP/IP High level protocols: FTP, HTTP. mailto, telnet, gopher. IP address –Unique address of a machine connected to the Internet – a 32 bit number: 131.151.90.192 Domain names

4 WWW HTTP- –a protocol used to request and send HTML URL, uniform resource locator. –The path to a document for the HTTP. –(What’s the difference between URLs and domain names?) Web Programming Tools –Markup language: HTML, XML –Programming language: Client Side: JAVAScript Server Side: Perl and PHP

5 HTML A markup language to describe the presentation of text and other media. A mixture of content and controls The controls are specified by the HTML tags DHTML: HTML embedded with CSS, Client side scripting.

6 A blank page created by Dreamweaver

7 Basic Text Formatting Paragraph Line breaks Headings Block Quotations Font Styles and Sizes –Italic –Boldface – and

8 Basic Text Formatting Character Entities &, ½, degree –&: & –◦: ° –½: ½ (see p. 41) Horizontal Rules

9 Exercises 1.1. Figure 2.4 on page 37 1.2. Display the following message: Rolla MO Current temperature is 36 ◦ F Save your files as ex1_1.htm, and ex1_2.htm. Create a folder: IST221 under your S drive and save the files under S:\IST221


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