Technology in Action Alan Evans Kendall Martin Mary Anne Poatsy Eleventh Edition Copyright © 2015 Pearson Education, Inc.

Technology in Action Chapter 3 Using the Internet: Making the Most of the Web’s Resources Copyright © 2015 Pearson Education, Inc.

Chapter Topics The Internet and How It Works Communicating and Collaborating on the Web Web Entertainment Conducting Business over the Internet: E-Commerce Accessing and Moving around the Web Searching the Web Effectively Copyright © 2015 Pearson Education, Inc. 2

The Internet and How it Works Internet is a network of networks connecting billions of computers globally Copyright © 2015 Pearson Education, Inc. 3

The Internet and How it Works: The Origin of the Internet Developed during Cold War Established a secure form of military communications Created a means of communication for all computers Copyright © 2015 Pearson Education, Inc. 4

The Internet and How it Works: The Origin of the Internet (cont.) Advanced Research Projects Agency Network (ARPANET) –Vinton Cerf –Robert Kahn World Wide Web Copyright © 2015 Pearson Education, Inc. 5

The Internet and How it Works: The Origin of the Internet (cont.) Web browser Original browser only displayed text –Mosaic—released in 1993 –Netscape Navigator evolved from Mosaic Copyright © 2015 Pearson Education, Inc. 6

The Internet and How it Works: How the Internet Works Information travels along transmission lines Internet backbones Copyright © 2015 Pearson Education, Inc. 7

The Internet and How it Works: How the Internet Works (cont.) Internet Protocol (IP) address –How computers identify each other –Websites have unique IP addresses –Text versions of IP addresses Copyright © 2015 Pearson Education, Inc. 8

Communicating and Collaborating on the Web Web 2.0 –Social web –Collaboration tools Social media –Google Docs, Facebook, Yelp, YouTube, Pinterest –Social networking, blogs, wikis, podcasts, and webcasts – Copyright © 2015 Pearson Education, Inc. 9

Communicating and Collaborating on the Web: Social Networking Communicate and share information –Facebook –Twitter Copyright © 2015 Pearson Education, Inc. 10

Communicating and Collaborating on the Web: Social Networking (cont.) Business community –Filling job positions –LinkedIn –Marketing and communicating Copyright © 2015 Pearson Education, Inc. 11

Communicating and Collaborating on the Web: Social Networking (cont.) Privacy concerns –Have always been an issue –Most sites have improved policies Copyright © 2015 Pearson Education, Inc. 12

Communicating and Collaborating on the Web: Social Networking (cont.) Privacy concerns (cont.) –Precautions Keep personal information personal Know your friends Do not post information that is often used as security question to verify identity Use caution when posting images Copyright © 2015 Pearson Education, Inc. 13

Communicating and Collaborating on the Web: Social Networking (cont.) Employers and colleges –Check out applicants People have been fired or expelled Copyright © 2015 Pearson Education, Inc. 14

Communicating and Collaborating on the Web: Social Networking (cont.) Questionable content: –Negative comments –Inappropriate content about the poster Your content is your responsibility Copyright © 2015 Pearson Education, Inc. 15

Communicating and Collaborating on the Web: Primary means of communication Written message sent or received Asynchronous Copyright © 2015 Pearson Education, Inc. 16

Communicating and Collaborating on the Web: (cont.) Convenient Not private Copyright © 2015 Pearson Education, Inc. 17

Communicating and Collaborating on the Web: (cont.) etiquette –Be concise and to the point –Use spell-check –Avoid texting abbreviations –Include subject line –Include signature line –Include only people who need to receive it Copyright © 2015 Pearson Education, Inc. 18

Communicating and Collaborating on the Web: (cont.) Two different types –Web-based – client Both systems can be used together Copyright © 2015 Pearson Education, Inc. 19

Communicating and Collaborating on the Web: Instant Messaging (IM) Communicate in real time Proprietary IM services –AIM, Google Chat, Windows Messenger, Yahoo! Messenger Copyright © 2015 Pearson Education, Inc. 20

Communicating and Collaborating on the Web: Instant Messaging (IM) (cont.) Facebook –Chat with “friends” Universal chat services –Trillian, Digsby Web-based universal chat service –Meebo Copyright © 2015 Pearson Education, Inc. 21

Communicating and Collaborating on the Web Wikis Wikipedia uses wiki technology –Content updated continually Google Docs has wiki-like features Copyright © 2015 Pearson Education, Inc. 22

Communicating and Collaborating on the Web: Wikis (cont.) Wikipedia Citizendium Copyright © 2015 Pearson Education, Inc. 23

Communicating and Collaborating on the Web: Blogs Short for weblog Video log (vlog) Copyright © 2015 Pearson Education, Inc. 24

Communicating and Collaborating on the Web: Blogs (cont.) Free blog hosting –Blogger –Wordpress Splogs Copyright © 2015 Pearson Education, Inc. 25

Communicating and Collaborating on the Web Podcasts and Webcasts Podcast Really Simple Syndication (RSS) Aggregator Copyright © 2015 Pearson Education, Inc. 26

Communicating and Collaborating on the Web: Podcasts and Webcasts (cont.) Webcast –Live or one-time event –Continuously feeds audio and video content –Interactive Copyright © 2015 Pearson Education, Inc. 27

Web Entertainment Web entertainment includes: –Streaming audio and video –Internet radio –MP3s –Interactive gaming –smart TV Copyright © 2015 Pearson Education, Inc. 28

Web Entertainment (cont.) Multimedia –Graphics –Audio files –Video files Copyright © 2015 Pearson Education, Inc. 29

Web Entertainment (cont.) Streaming media –Netflix and video on demand –Internet radio Copyright © 2015 Pearson Education, Inc. 30

Web Entertainment (cont.) Plug-in (or player): –Many preinstalled –Download free of charge Copyright © 2015 Pearson Education, Inc. 31

Web Entertainment (cont.) Cache Tips to keep system running efficiently –Delete temporary Internet cache –Click Refresh or F5 key to display most recent website content –Manually clear Internet cache Copyright © 2015 Pearson Education, Inc. 32

Conducting Business over the Internet: E-Commerce E-commerce or electronic commerce Business-to-consumer (B2C) Copyright © 2015 Pearson Education, Inc. 33

Conducting Business over the Internet: E-Commerce (cont.) Business-to-business (B2B) Consumer-to-consumer (C2C) Social commerce Copyright © 2015 Pearson Education, Inc. 34

Conducting Business over the Internet: E-Commerce E-Commerce Safeguards Copyright © 2015 Pearson Education, Inc. 35

Dig Deeper Discovering the Semantic Web Semantic web (Web 3.0) –Evolving extension of the web Copyright © 2015 Pearson Education, Inc. 36

Accessing and Moving around the Web Web browser Graphical browsers display: –Text –Pictures –Sound –Video Copyright © 2015 Pearson Education, Inc. 37

Accessing and Moving around the Web: Web Browsers Web browser features Copyright © 2015 Pearson Education, Inc. 38

Accessing and Moving around the Web: URLs, Protocols, and Domain Names Every website has a unique address URLs are composed of parts to identify the web document Copyright © 2015 Pearson Education, Inc. 39

Accessing and Moving around the Web: URLs, Protocols, and Domain Names (cont.) HTTP: Hypertext Transfer Protocol BitTorrent Copyright © 2015 Pearson Education, Inc. 40

Accessing and Moving around the Web: URLs, Protocols, and Domain Names (cont.) Domain name Top-level domain Top-level domain for countries Copyright © 2015 Pearson Education, Inc. 41

Accessing and Moving around the Web: URLs, Protocols, and Domain Names (cont.) URL is domain name File or path Copyright © 2015 Pearson Education, Inc. 42

Accessing and Moving around the Web: Hyperlinks and Beyond (cont.) Copyright © 2015 Pearson Education, Inc. 43

Accessing and Moving around the Web: Favorites, Live Bookmarks, and Tagging Favorites feature –Favorites (Internet Explorer and Safari) –Bookmarks (Firefox and Google Chrome) Copyright © 2015 Pearson Education, Inc. 44

Accessing and Moving around the Web: Favorites, Live Bookmarks, and Tagging (cont.) Live bookmark feature (Firefox) Copyright © 2015 Pearson Education, Inc. 45

Accessing and Moving around the Web: Favorites, Live Bookmarks, and Tagging (cont.) Social bookmarking or tagging Copyright © 2015 Pearson Education, Inc. 46

Searching the Web Effectively Search engine Subject directory Metasearch engine Copyright © 2015 Pearson Education, Inc. 47

Searching the Web Effectively: Using Search Engines Effectively Components of search engines Resulting list appears as list of hits Copyright © 2015 Pearson Education, Inc. 48

Searching the Web Effectively: Using Search Engines Effectively (cont.) Search engines Boolean operators Copyright © 2015 Pearson Education, Inc. 49

Searching the Web Effectively: Using Search Engines Effectively (cont.) Key phrases –Quotation marks to search for exact phrase –Search within a specific site –Use a wild card Copyright © 2015 Pearson Education, Inc. 50

Searching the Web Effectively: Using Search Engines Effectively (cont.) Specialty search strategies and services –Search tools in Google More Even More –Scholar –Custom Search –Google Shopping –Alerts Copyright © 2015 Pearson Education, Inc. 51

Searching the Web Effectively: Evaluating Websites Internet resource considerations –Authority –Bias –Relevance –Audience –Links Copyright © 2015 Pearson Education, Inc. 52

Chapter 3 Summary Questions 1.What is the origin of the Internet? Copyright © 2015 Pearson Education, Inc. 53

2. How does data travel on the Internet? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 54

3.How can I communicate and collaborate with others using Web 2.0 technologies? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 55

4. How can I communicate with others using and instant messaging? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 56

5. What multimedia files are found on the web, and what software is needed to access those files? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 57

6. What is e-commerce, and what online safeguards are available? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 58

7. What is a web browser, and what are a URL and its parts? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 59

8. How can I use hyperlinks and other tools to get around the web? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 60

9. How do I search the Internet effectively, and how can I evaluate websites? Chapter 3 Summary Questions Copyright © 2015 Pearson Education, Inc. 61

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