evans martin * mary anne poatsy chapter 3 - cerritos...

Copyright © 2018, 2017, 2016 Pearson Education, Inc. All Rights Reserved

TECHNOLOGY IN ACTION

Chapter 3

Using the Internet: Making the Most of

the Web’s Resources

Alan Evans * Kendall Martin * Mary Anne Poatsy


Collaborating and Working on the Web

• The Internet and How It Works

• Collaborating and Communicating on the Web

• Conducting Business on the Web


The Internet and How It Works

Objectives

3.1 Describe how the Internet got its start.

3.2 Explain how data travels on the Internet.


Collaborating and Communicating

on the Web

Objectives

3.3 Evaluate the tools and technologies used to

collaborate on the web.

3.4 Summarize the technologies used to

communicate over the web.


Conducting Business on the Web

Objectives

3.5 Describe how business is conducted using

the Internet.

3.6 Summarize precautions you should take

when doing business online.


The Internet and How it WorksThe Origin of the Internet (Pg. 86)

• The Internet is an international network of networks

– What is a “network”?

– Is this the same as the “web”?

• U.S. Dept. of Defense needed a network, not easily disrupted, to address to major concerns

– Established a secure form of communications

– Created a means of communication for all computers

• Advanced Research Projects Agency Network (ARPANET)


The Internet and How it WorksHow the Internet Works (Pg. 88)

• Client/Server network

– What is a Client/Server?

– Client asks for data

– Server receives request and returns data

• Internet Protocol (IP) address

– What is a “Protocol”?

– How computers identify each other

– Websites have unique IP addresses

– Text versions of IP addresses



on the Web with Web Technologies (Pg. 89)

• Web 2.0– Social Web

– Collaboration

tools

– Social media

• Social Networking– Facebook

– Twitter

– Privacy

precautions



on the Web with Web Technologies

• Project Collaboration and File Sharing Tools

– Wikis: Collaborative Web-based documents

– Project Mgt. Tools

• Blogs

– Blog (weblog)

– Video log (vlog)

– Create your own blog

– Problems with blogs

– Microblogs



on the Web with Web Technologies (pg. 92)

• Podcasts

– Audio/video files delivered via Really Simple

Syndication (RSS)

– RSS sends content to an “aggregator” (e.g. iTunes)

– Aggregator downloads new content to

computers/media players

• Webcasts– Broadcast of audio or video content over the Internet

– Usually live one-time only broadcast

• Media Sharing Platforms– YouTube, Flickr, Instagram, Sound Cloud


Communicating on the Web (pg. 94)

• E-mail– Primary means of communication

– Written message sent or received

– Asynchronous?

– Convenient

– Not private!

– Etiquette

• Web-based E-mail– Managed thru

browser & internet

connection

• E-mail client– Program installed on

personal computer


Communicating on the Web (pg. 96)

• Communicate in real

time

– Instant Messaging: IM

(synchronous)

– Texting (asynchronous)

▪ Uses SMS/MMS?

– VOIP: Voice Over Internet

Protocol

▪ Digital internet phone

service


Conducting Business on the Web

• Business-to-consumer (B2C)

– Business sells to consumers

– Amazon.com

• Business-to-business (B2B)

– Businesses sell to other businesses

– Omahapaper.com

• Consumer-to-consumer (C2C)

– Consumers sell to other consumers

– Ebay.com; Craigslist.com


E-Commerce Safeguards• Guidelines to make shopping safer

•Secure website

•SSL (Secure Sockets Layer)

•standard security technology

•establishes encrypted link between a web

server and a browser.

•Attempt to ensure that all data passed

between the server and browsers remain

private and integral.

•Well-known, reputable sites

•Pay by credit card, not debit card

•Return policy

•Avoid using public computers


Guidelines to make shopping safer


Using the Web Effectively

• Accessing and Moving Around the Web

• Searching the Web Effectively

• Using the Web Ethically


Accessing and Moving Around the

Web

Objectives

3.7 Explain what web browsers are, and describe

their common features.

3.8 Explain what a URL is, and discuss its main

parts.

3.9 Describe tools used to navigate the web.


Searching the Web Effectively

Objectives

3.10 Describe the types of tools used to search

the web, and summarize strategies used to

refine search results.

3.11 Describe how to evaluate a website to

ensure it is appropriate to use for research

purposes.


Using the Web Ethically

Objectives

3.12 Demonstrate an understanding of the

ethical issues regarding digital activism.

3.13 Demonstrate an understanding of the

ethical issues regarding location tracking

applications and devices.


Accessing and Moving Around the WebWeb Browsers (Pg. 105)

• Web browsers

• Graphical

browsers

• Features


Accessing and Moving Around the WebURLs(?), Protocols, and Domain Names (Pg. 107)

• URL: Uniform Resource Locator

– Standard System to locate resources

on the “web”

– composed of parts to identify the web

document

– Not an “address”

• Every website has a unique URL

• Protocols: standards/rules for

communication

– Hypertext Transfer Protocol

– File Transfer Protocol

• Domain Name


Accessing and Moving Around the WebNavigating the Web (Pg. 105)

• Hyperlinks

• Breadcrumb trail

• Bookmarks

• History

• Tagging

– Social bookmarking


Searching the Web EffectivelyUsing Search Engines (Pg. 110)

• Keywords

• Components

– Spider

– Indexer

– Search engine software

• Specialized search engines

• “Metasearch engines” search other search

engines


Searching the Web EffectivelyUsing Search Engines (Objective 3.10)

• Obtaining better search results

– Boolean operators

– Search for a phrase

– Search within a website

– Use a wild card


Searching the Web EffectivelyEvaluating Websites (Objective 3.11)

• Internet resource considerations

– Authority

– Bias

– Relevance

– Audience

– Links


Using the Web EthicallyDigital Activism (Objective 3.12)

• Digital Activism

– Raise awareness about specific issues

▪ #IceBucketChallenge

▪ #BringBackOurGirls

• Ethical question: Is digital activism effective

or does it foster a false sense of

involvement?


Using the Web EthicallyGeolocation (Pg. 115)

• Smartphones use a GPS chip to calculate

your position

• Geolocation

– Targeting consumers by their location

– Used by third party advertising networks

– Can be a violation of privacy rights

– No specific laws yet to address privacy issues

• Ethical Question: Are geolocation devices a

threat to privacy?


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evans martin * mary anne poatsy chapter 3 - cerritos...

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