Our Digital World Second Edition Chapter 2 The Internet:
Gateway to a World of Resources Paradigm Publishing, Inc.1
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This chapter will help you understand: How the Internet and Web
have changed the ways people interact with each other. Services,
equipment, and software used to connect and browse the Internet.
Browsing and searching online. Evaluating the accuracy of the
content you find. Intellectual property and copyright laws. Various
Internet services and applications. Paradigm Publishing, Inc.2
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Main Topics 2.1 The World Goes Online 2.2 What Are the Internet
and Worldwide Web? 2.2 What Are the Internet and Worldwide Web? 2.3
Joining the Digital World 2.4 Navigating and Searching the Web 2.5
The Vast Sea of Online Content 2.6 E-Commerce 2.7 Connecting in
Cyberspace Paradigm Publishing, Inc.3
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Why Should You Care? 49% of public used the Internet to track
the 2009 outbreak of H1N1 (swine) flu.* 55% of adults went online
to follow the 2008 U.S. presidential campaign.** 80% of students
surveyed anticipate running into new technology they will have to
adapt to and learn upon entering the workforce. *(Pew Internet
& American Life Project) **(Study by IBM) Paradigm Publishing,
Inc.4
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2.1 The World Goes Online Paradigm Publishing, Inc.5
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What the Internet Makes Possible Today Scientists share
expensive equipment online. Doctors and pilots learn by using
computer simulations. iPhones as boarding passes. Paradigm
Publishing, Inc.6
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What Does the Future Hold? The Internet in space as astronauts
begin to Tweet. Collaborative emails with rich multimedia content.
Nanorobots transmitting data from within your body. Paradigm
Publishing, Inc.7
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quick response (QR) code Paradigm Publishing, Inc. Terms to
know 8
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2.2 What Are the Internet and the Worldwide Web? Paradigm
Publishing, Inc.9
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What Is the Internet? The physical infrastructure that allows
us to connect and store content. Paradigm Publishing, Inc.10
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The Infrastructure of the Internet Paradigm Publishing,
Inc.11
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What Is the Web? A body of content that is available as web
pages stored on Internet servers. Web 2.0 involves interaction of
users with content. Web 3.0 (Semantic Web) involves integrating
data from various sources in a meaningful way. Paradigm Publishing,
Inc.12
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Use care when sharing personal information online. You wouldnt
shout your home address and social security number from a street
corner. Why would you post it online for the world to read?
Paradigm Publishing, Inc. Playing It Safe 13
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Web-enabled Careers Not all jobs involving the Internet are
high-tech. Web content writer/provider Internet law expert online
trainer A variety of developer jobs include: programming an
e-commerce shopping cart creating environments in virtual reality
worlds Paradigm Publishing, Inc.14
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The Web Everywhere What are some places, other than computers,
where you can find the Web today? Where might you encounter the Web
in the future? What is meant by the term internet of things? What
are the privacy implications of the internet of things? How might
people end up paying for access to online content and services when
the Web is everywhere? Paradigm Publishing, Inc.15
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Internet Web (World Wide Web or WWW) web page website Web 2.0
Web 3.0 Semantic Web Paradigm Publishing, Inc. Terms to know
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Ask Yourself While the Internet is the infrastructure on which
content is delivered, the Web is a.what makes email possible. b.a
system of content. c.a set of servers that host online content. d.a
system of sites. Paradigm Publishing, Inc.17
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2.3 Joining the Digital World Paradigm Publishing, Inc.18
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Worldwide Internet Use Paradigm Publishing, Inc.19
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Getting Online Types of Internet broadband connections include:
DSL Cable Satellite Hardware to connect. Wired or wireless
connections. Paradigm Publishing, Inc.20
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Connecting to the Internet Paradigm Publishing, Inc.21
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Internet Service Providers An Internet Service Provider (ISP)
allows you to access the Internet. ISPs include phone companies,
cable and satellite companies, and local providers. Paradigm
Publishing, Inc.22
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Browsers Used to navigate online content. Translate content.
Display text, graphics, and multimedia content. Examples include
Mozilla Firefox, Internet Explorer, Google Chrome, and Safari.
Paradigm Publishing, Inc.23
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Browser Features: Mozilla Firefox Paradigm Publishing,
Inc.24
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Terms to Know Internet Service Provider (ISP) browser download
upload Paradigm Publishing, Inc.25
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Ask Yourself What are three kinds of broadband connection?
a.DSL, cable, and satellite b.DSL, mobile, and dial-up
c.fiber-optic, DSL modem, and WiMax d.ISP, Wi-Fi, and router
Paradigm Publishing, Inc.26
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2.4 Navigating and Searching the Web Paradigm Publishing,
Inc.27
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Getting around the Internet Internet Protocol (IP): series of
numbers that uniquely identifies an Internet location. Uniform
Resource Locator (URL): text address entered in a browser to go to
a website. URL is cross-referenced to an IP address. Paradigm
Publishing, Inc.28
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Parts of a URL Paradigm Publishing, Inc.29
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Navigating among Web Pages Hyperlinks identify a Web
destination. Hyperlinks can be embedded in any graphical object or
text. Paradigm Publishing, Inc.30
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Parts of a Web Page Paradigm Publishing, Inc.31
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Search Engines Search engines are websites in which you enter
search terms (keywords) to find Web content. Examples: Google,
Yahoo!, Ask, or Bing. Search directories catalog results.
Metasearch engines search across various sites at the same time.
Paradigm Publishing, Inc.32
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Search Tips Understand keywords and keyword phrases. Learn to
narrow your search for better results. Exclude certain results. Use
specialized search engines. Paradigm Publishing, Inc.33
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Most people dont realize how much information about them exists
online. Resume Blog entries on a publicly viewable page Schools,
employers, friends, or the government placed your information
online Do a web search of your name to see whats online about you.
Paradigm Publishing, Inc. Playing It Safe 34
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Plug-ins and Players Some websites may require a plug-in or
player to display content. Plug-ins and players are free. Paradigm
Publishing, Inc.35
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Plug-ins and Players Paradigm Publishing, Inc.36 NamePurpose
Adobe ReaderRead and print PDF files Adobe Flash PlayerPlay
animations QuickTimePlay MP3 music, animations, and video files
RealPlayerPlay streaming audio and video files ShockwavePlay
interactive games and various multimedia files online Windows Media
PlayerPlay streaming audio, video, animations and multimedia
presentations on the Web
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Playing It Safe Download plug-ins and players from the source.
Avoid spyware. Paradigm Publishing, Inc.37
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Terms to Know Internet protocol (IP) uniform resource locator
(URL) web address domain name top-level domain (TLD) generic
top-level domain (gTLD) hyperlink hypertext home page search engine
search directory keywords metasearch engine plug-in player
streaming video Paradigm Publishing, Inc.38
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Ask Yourself Search engines search for content. What do search
directories also do? a.download results to your hard drive
b.provide a catalog of sites by topic c.sort results alphabetically
d.only deliver the top ten results Paradigm Publishing, Inc.39
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2.5 The Vast Sea of Online Content Paradigm Publishing,
Inc.40
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Judging the Quality of Online Content Who, what, when? Who
published the content? What is the quality of the content? When was
it published? Paradigm Publishing, Inc.41
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The Three Ws of Online Content Paradigm Publishing, Inc.42
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Copyright and Intellectual Property Its illegal to copy
intellectual or copyrighted property. Ease of copying and pasting
content online leads to violations. Peer-to-peer file sharing
issues. Digital Millennium Copyright Act. Paradigm Publishing,
Inc.43
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The Invisible Web Invisible Web (Deep Web) includes hidden or
uncataloged databases. Most search engines cant find this content.
Paradigm Publishing, Inc.44
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Online research resources: online encyclopedias, survey
results, online professional journals. Many careers rely on using
the Internet for research: Librarians Government policy analysts
Economists Insurance risk analysts Human resource workers
Purchasing agents, and others Paradigm Publishing, Inc. Research
Computers in Your Career 45
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copyright intellectual property peer-to-peer (P2P) file sharing
deep Web invisible Web crawler data integration Paradigm
Publishing, Inc. Terms to Know 46
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Ask Yourself What makes copyright infringement so easy online?
a.the ease with which you can copy and paste content b.the lack of
copyright laws c.the lack of an online police force d.None of the
above Paradigm Publishing, Inc.47
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2.6 E-Commerce Paradigm Publishing, Inc.48
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What Is E-commerce? Buying, selling, or bidding online. Three
kinds: Business-to-Business (B2B) Business-to-Consumer (B2C)
Consumer-to-Consumer (C2C) Paradigm Publishing, Inc.49
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The B2C E-commerce Process Paradigm Publishing, Inc.50
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Paradigm Publishing, Inc. Classified and Auction Sites Never
pay by check or debit card. Never let the buyer come to your home.
Playing It Safe 51
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E-commerce Online entrepreneurs start their own eBay store or
website. Affiliates or associates get a small fee for sending
online browsers to a partner site. Supplement regular job or as a
main source of income. Paradigm Publishing, Inc.52
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e-commerce business-to-business (B2B) e-commerce
business-to-consumer (B2C) e-commerce consumer-to-consumer (C2C)
e-commerce Paradigm Publishing, Inc. Terms to Know 53
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Ask Yourself Which is an example of a C2C e-commerce site?
a.Amazon b.Microsoft c.Craigs List d.U.S. Steel Paradigm
Publishing, Inc.54
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2.7 Connecting in Cyberspace Paradigm Publishing, Inc.55
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Ways to Connect Online Email to send and receive messages and
attached files. Voice-over Internet Protocol (VoIP) to make phone
calls over the Internet. Web conferencing to hold meetings and
collaborate online. Paradigm Publishing, Inc.56
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Email can deliver viruses to your computer. Phishing involves
email that delivers financial scams. Paradigm Publishing, Inc.
Playing It Safe 57
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email web-based email email client email address text message
texting Short Message Service (SMS) Paradigm Publishing,
Inc.58
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Voice-over Internet Protocol (VoIP) web conferencing
Multipurpose Internet Mail Extensions (MIME) format Simple Mail
Transfer Protocol (SMTP) Internet Message Access Protocol (IMAP)
Post Office Protocol, Version 3 (POP3) Paradigm Publishing,
Inc.59
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Ask Yourself When was the first email sent? a.1985 b.1990
c.1961 d.1971 Paradigm Publishing, Inc.60