IST 221 Internet Concepts and Applications Internet, WWW and HTML 1.
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IST 221 Internet Concepts and Applications Internet, WWW and HTML 1
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.
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: 188.8.131.52 Domain names
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.
Basic Text Formatting Paragraph Line breaks Headings Block Quotations Font Styles and Sizes –Italic –Boldface – and
Basic Text Formatting Character Entities &, ½, degree –&: & –◦: ° –½: ½ (see p. 41) Horizontal Rules
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