1. Using Information Technology
Chapter 2- Page
The Internet & the World Wide Web
To the instructor:
This presentation attempts to cover every term in the text, sometimes via a slide, sometimes via the Notes page.
Additional material beyond what is in the text is presented via:
Occasional “FACTOID” notations on the Notes page, and;
Occasional hyperlinks in the slides themselves. ScreenTip text has been added to each hyperlink allowing you to see in advance of selecting the hyperlink where that link will take you.
In addition, the last ~20 slides are questions covering the material just presented. They can be used to increase interaction between the instructor and students at the end of each lecture, to ensure students understand the material just presented, etc.
Finally, some of the Notes pages include “Discussion questions” for use in encouraging student interaction during the lecture.
2018/9/22

2. The Internet & the World Wide Web Exploring Cyberspace
Last week
2.1 Choosing Your Internet Access Device & Physical Connection: The Quest for Broadband
2.2 Choosing Your Internet Service Provider (ISP)
2.3 Sending & Receiving
2.4 The World Wide Web
2.5 The Online Gold Mine: More Internet Resources, Your Personal Cyberspace, E-Commerce, & the E-conomy
Key Questions (from the text):
2.1 Choosing Your Internet Access Device & Physical Connection: The Quest for Broadband. What are the means of connecting to the Internet, and how fast are they?
2.2 Choosing Your Internet Service Provider (ISP). What is an Internet service provider, and what kinds of services do ISPs provide?
2.3 Sending & Receiving . What are the options for obtaining software, what are the components of an address, and what are netiquette and spam?
2.4 The World Wide Web. What are websites, web pages, browsers, URLs, and search engines?
2.5 The Online Gold Mine: More Internet Resources, Your Personal Cyberspace, E-Commerce, & the E-conomy. What are FTP, Telnet, newsgroups, real-time chat, and e-commerce?
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3. Developing multimedia
Multimedia on the Web
Plug-in - a program that adds a specific feature to a browser, allowing it to play or view certain files
Developing multimedia
Applets written in Java
ActiveX
JavaScript
Applets - small programs that can be quickly downloaded and run by most browsers.
Java - a complex programming language developed by Sun Microsystems that (among other things) enables programmers to create animated and interactive web pages.
ActiveX - Microsoft’s answer to Java.
JavaScript - a simpler programming language developed by Netscape which is used to make Webpages more interactive and interesting.
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4. Text and images Animation Video Audio Multimedia on the Web
Download and view
Streaming video
Audio
Download and listen
Streaming audio
Animation - the rapid sequencing of still images to create the appearance of motion.
Streaming video - the process of transferring data in a continuous flow so that you can begin viewing a file even before the end of the file is sent.
Streaming audio - the process of transferring data in a continuous flow so that you can begin listening to the file even before the end of the file is sent.
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5. Push Technology & Webcasting
Push technology - software that automatically downloads information to your computer
Webcasting - customized text, video, and audio sent to you automatically on a regular basis
“Pull technology” - you go to a website and pull down the information you want.
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6. The Internet Telephone & Videophone
Internet telephony - using the Net to make phone calls, either one-to-one or for audioconferencing
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7. Other Internet resources:
2.5 The Online Gold Mine: More Internet Resources, Your Personal Cyberspace, E-Commerce, & the E-conomy
Other Internet resources:
FTP (File Transfer Protocol)--for copying all the free files you want
Telnet--to connect to remote computers
FTP - a method whereby you can connect to a remote computer called an FTP site and transfer files to your own microcomputer’s hard disk.
FACTOID: FTP is also used to upload a file from your computer to a remote computer, such as the server for your own Web page.
Telnet - a program that allows you to connect to remote computers on the Internet using a user name and a password.
FACTOID: The specification for Telnet was first developed in June 1980 by Jon Postel.
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8. Other Internet Resources
Newsgroups--for online typed discussions on specific topics
Real-time chat--typed discussions among online participants
Newsgroup - a giant electronic bulletin board on which users conduct written discussions about a specific subject.
Usenet - a worldwide network of servers that can be accessed through the Internet.
Newsreader - a program included with most browsers that allows you to access a newsgroup and read or type messages.
Real-time chat (RTC) - a typed discussion amongst online participants.
Discussion question:
In what ways has the Internet improved communications? In what ways has the Internet harmed communications?
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9. Your Personal Cyberspace
Relationships--online matchmaking
Education--the rise of distance learning
Health--patient self-education
Entertainment--amusing yourself
Distance learning - the name given to online education programs.
Discussion question:
Have any of you ever tried online matchmaking? What did you think of this use of the WWW? For those of you who have thought about it and discarded the notion, what were your objections?
2018/9/22

10. E-tailing--retail commerce online
E-Commerce
E-tailing--retail commerce online
Auctions--linking individual buyers and sellers
Online finance--trading, banking, and e-money
Online job hunting
B2B commerce
E-commerce (electronic commerce) - conducting business activities online.
Discussion question:
What is your favorite e-tailing site? What makes it your favorite? <Point browser at first site volunteered by a student. Then repeat this question and browser-pointing for each of the first four categories above.>
B2B (Business-to-Business) commerce - the electronic sales or exchange of goods and services directly between companies, cutting out traditional intermediaries.
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11. Concept Check
What is the term for using the Net to make phone calls, either one-to-one or for audioconferencing?
Internet telephony
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12. Concept Check
Which language consists of tags, and is used to create web pages?
Hypertext Markup Language (HTML)
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13. Concept Check What are the four components of a URL? The web protocol
The name of the web server
The directory on that server
The file within that directory
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14. Concept Check What is the name given to online education programs?
Distance learning
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15. Concept Check
What is the term for writing an online message that uses derogatory, obscene, or inappropriate language?
Flaming
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16. Concept Check
What is the term for keyboard-produced pictorial representations of expressions?
Emoticons
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17. Summary Multimedia – text, voice, video and graphics
E-commerce – place an order through the Internet
Personal cyber space: your web site
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