To prepare for the Final Exam• Redo the Quizzes as often as you like

– This will not update your participation mark, but…

–Will prepare you for the exam

• Be sure you understand the subject– Do not just memorize the answer– Use the text / slides / Q&A / Google…– … till you have mastered the concept

• For example…

Slide 1

Question from the QuizIf I see "https" at the start of a URL this means

that:• the site I am visiting is trustworthy and reliable• the data I am transmitting is encrypted to

prevent interception• the site has been verified by the Internet

Control Committee as containing no malware• all of the above

Slide 2

Question on the ExamIf I see "https" at the start of a URL this means

that:• If I enter my credit card number it cannot be

misused by someone who intercepts my transmission before it reaches the Web site

• If I enter my credit card number it will not be misused by the Web site

• the site contains no ‘drive by downloads’• all of the above

Slide 3

Question from the QuizWhich of the following is true of a 'trust seal' such

as Verisign?• it guarantees that anything I type will be

encrypted as it is transmitted• I can be sure that it will only appear on

trustworthy sites• I can click on it to verify that the URL of the site I

am visiting is trustworthy • all of the above

Slide 4

Question on the ExamWhich of the following is true of a 'trust seal' such as

Verisign?• I should still look for httpS, since presence of the seal does

not guarantee that what I type will be encrypted• I cannot be sure that it will appear only on trustworthy sites• If I click on it, it should take me to the site of the security

company (eg Verisign)• I need to verify that the URL given as trustworthy is the

same as the site I am visiting • all of the above

Slide 5

Slide 6

Tomorrow’s Technology and You

Chapter 11Computers in Society

© 2006 Prentice-Hall, Inc.

Slide 7

Chapter 11Objectives

Describe what we can learn from Alan KayExplore the pros and cons of modern uses of

computers:at Workat School at Home

© 2006 Prentice-Hall, Inc.

Slide 8

What can we learn from Alan Kay?(p 397-398)

What term, used everywhere today, did he coin?

What was his ‘Dynabook’ concept?How long ago did he come up with this?

What is his ‘MO’? What can we learn from this?

IBM agrees!so what?

© 2006 Prentice-Hall, Inc.

Slide 9

Chapter 11Objectives

Describe what we can learn from Alan KayExplore the pros and cons of modern uses of

computers:at Workat School at Home

© 2006 Prentice-Hall, Inc.

Slide 10

Chapter 11Objectives

Describe what we can learn from Alan KayExplore the pros and cons of modern uses of

computers:at Workat School at Home

© 2006 Prentice-Hall, Inc.

Slide 11

Computers at Work (pp 400-404)

Factory automationRobots – benefits? CAD/CAM – benefits?Problems?

Office automationwhat applications are typical?what is a ‘thin client’?

benefits? problems?are we ‘paperless’ yet?

Telecommuting/Workgroup Computing

pros and cons?teamwork problems? solutions?

© 2006 Prentice-Hall, Inc.

“We’ve shifted from paper as storage to paper as interface.” —Paul Saffo

Slide 12

Computers at Work - Issues (pp 406-411)

De-skilling and up-skillingwhy is each a problem?

Computer monitoringpros and cons?

Electronic sweatshopscons? are there pros?

Are you a ‘Luddite’?Globalization

what is driving this trend?what are its effects on us?on developing countries?

© 2006 Prentice-Hall, Inc.

Slide 13

Chapter 11Objectives

Describe what we can learn from Alan KayExplore the pros and cons of modern uses of

computers:at Workat School at Home

© 2006 Prentice-Hall, Inc.

Slide 14

Computers at School (pp 411-422)

What do we need to learn?Technology – what about it?Literacy – more needed than ever – why?Math – why, when we have calculators?Culture – why?What else?

How can computers help?CAI, Games – pros and consProductivity Tools – such as?Supporting Special needs – e.g.?Virtual School – how (and how well) does this work?Is this a good idea? (see also p 428) or this?What about surveillance?

© 2006 Prentice-Hall, Inc.

“The future is a race between education and catastrophe.”

Slide 15

Chapter 11Objectives

Describe what we can learn from Alan KayExplore the pros and cons of modern uses of

computers:at Workat School at Home

© 2006 Prentice-Hall, Inc.

Slide 16

Computers at Home (pp 423-427)

Managing finances (budget, taxes)Cooking, menu planningShopping, travel planningEducation & InformationCommunicationsGames and entertainment

pros and cons? (see also p 429)Labor saving devicesEffects on Quality of Life?

© 2006 Prentice-Hall, Inc.

In-class Activity• Choose one question from this week’s slides

• Open Word, and prepare a post for our Forum which answers it (make it a good one!)

• Save it to your N: drive

• Show it to your prof, for in-class points

• More points if you post it correctly to our Forum after class, ensuring that it does not overlap other posts

Slide 17

Slide 18

Globalization – IBM’s view• Today, any company can be

global• The Internet allows work to

flow—from anywhere, to anywhere.

• the global enterprise can organize work based on the right costs, the right skills and the right environment

• Developing regions can raise their standard of living.

(www.ibm.com/ibm/think)

© 2006 Prentice-Hall, Inc.

Slide 19

• More than 150,000 IBMers, family members, and clients from 104 countries, came together recently for an online conversation on IBM’s worldwide intranet.

• They posted more than 46,000 ideas for translating cutting-edge technologies into economic and societal value.

• As a result, IBM has allocated up to $100 million to explore promising new business opportunities. (www.ibm.com/ibm/think)

© 2006 Prentice-Hall, Inc.