1. © 2009 Prentice-Hall, Inc.1 Chapter Topics Chapter 1: Why Computers Matter to You: Becoming Computer Literate updtd 11-10 Computer literacyComputer literacy Computers and careersComputers and careers Future technologiesFuture technologies Challenges of a digital societyChallenges of a digital society

2. © 2009 Prentice-Hall, Inc.2 What Is Computer Literacy? To be computer literate you must:To be computer literate you must: –Understand a computer’s capabilities and limitations and anticipate its future –Know how to use a computer –Improve resume –Make you more active in our society, more aware – “get with it”. –(Computer literacy is not to program a computer, nor to build one.)

3. © 2009 Prentice-Hall, Inc.3 Avoid hackers and viruses - chap 3, 7, 9Avoid hackers and viruses - chap 3, 7, 9 Protect your privacy - chap 3, 7, 9Protect your privacy - chap 3, 7, 9 Understand the real risks - chap 3, 9Understand the real risks - chap 3, 9 Use the Internet wisely - chap 3Use the Internet wisely - chap 3 Avoid online annoyances - chap 3, 9Avoid online annoyances - chap 3, 9 Maintain your computer – many chaptersMaintain your computer – many chapters Make good purchase decisions -chap 2, 6Make good purchase decisions -chap 2, 6 Integrate the latest technology - manyIntegrate the latest technology - many Being a Savvy Computer User and Consumer

4. © 2009 Prentice-Hall, Inc.4 Computers in Your Career? Information Technology (IT) involves:Information Technology (IT) involves: –Information handling –Information retrieval –Computers –Telecommunications Seven fastest-growing occupations are computer relatedSeven fastest-growing occupations are computer related

5. © 2009 Prentice-Hall, Inc.5 Computers in Your Career? Computer careers in:Computer careers in: –Business –Retail –Shipping –Arts –Education –Medicine –Law Enforcement –Legal System –Agriculture –Sciences

6. © 2009 Prentice-Hall, Inc.6 Computers in Business, Retail, and Shipping Data miningData mining Personal Shopper SystemsPersonal Shopper Systems Package trackingPackage tracking

7. © 2009 Prentice-Hall, Inc.7 Computers in the Arts Web site galleries Virtual dance Computer- generated art Anne Burns, LIU

8. © 2009 Prentice-Hall, Inc.8© 2008 Prentice-Hall, Inc.8 Computer Gaming Careers ProgrammingProgramming 3D animation3D animation RIT has degrees in gamingRIT has degrees in gaming There is software for creating your own games and animations (Ex: Alice)There is software for creating your own games and animations (Ex: Alice) Bigger business than HollywoodBigger business than Hollywood

9. © 2009 Prentice-Hall, Inc.9 Computers in Education Computers in the classroomComputers in the classroom Distance educationDistance education Computerized researchComputerized research The InternetThe Internet PDA-guided toursPDA-guided tours

10. Digital Home: Components for TV Media computer with: – –TV tuner – –Radio tuner – –Media software – –Blu-ray, DVD, and/or CD – –Network adapter Other: network (including TV), OLED or newer TV, digital media adapter which allows transfer media files from PC to TV Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 10

11. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 11 Computers in Law Enforcement Search databases Predict criminal activity Employ computer forensics – use of computer to gather evidence Training (microexpressions)Training (microexpressions)

12. © 2009 Prentice-Hall, Inc.12 Computers in the Legal System Surveillance cameras capture crimesSurveillance cameras capture crimes Forensic animations based on evidenceForensic animations based on evidence High-tech courtroomsHigh-tech courtrooms Handheld wireless devices used to display evidenceHandheld wireless devices used to display evidence

13. © 2009 Prentice-Hall, Inc.13 Computers in Agriculture Programs assist in managing complex farming business and information systemsPrograms assist in managing complex farming business and information systems RFID tags track and record animals in case of diseasesRFID tags track and record animals in case of diseases Computerized sensors and equipment activation protect cropsComputerized sensors and equipment activation protect crops

14. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 14 Computers in Medicine Patient simulators and surgical robots Digital modeling of human anatomy

15. © 2009 Prentice-Hall, Inc.15 Biomedical Implants Technological solutions to physical problemsTechnological solutions to physical problems Identity chipsIdentity chips

16. © 2009 Prentice-Hall, Inc.16 Simulations & supercomputers Supercomputers used to create simulations in Archeology, Astronomy, MeteorologySupercomputers used to create simulations in Archeology, Astronomy, Meteorology supercomputer located at the Center for Excellence, in the Computational Research Center (Roswell Park campus ) has a processor of speed 2.4 Tera-hz = 2,400 giga-hz = 2,400,000,000,000 hz. Hertz (hz) is cycles per sec.supercomputer located at the Center for Excellence, in the Computational Research Center (Roswell Park campus ) has a processor of speed 2.4 Tera-hz = 2,400 giga-hz = 2,400,000,000,000 hz. Hertz (hz) is cycles per sec.

17. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 17 Computers in Sports Improved training Timing and scorekeeping Data storage and statistics Smartballs sense when soccer goals are scored

18. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 18 Nanotechnology Nano: Prefix stands for one-billionth Nanoscience: Study of molecules and nanostructures Nanostructures: Range in size from 1 to 100 nanometers Nanotechnology: Science of the use of nanostructures

19. Computers in Psychology Affective computing - relates to emotion or tries to influence emotion – –Emotional social prosthesis (ESP) device Biped (two-legged) robots Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 19

20. © 2009 Prentice-Hall, Inc.20 Challenges Facing a Digital Society Privacy risksPrivacy risks Personal data collectionPersonal data collection Email monitoredEmail monitored Copyright infringementCopyright infringement Reliance on computers for securityReliance on computers for security Digital divideDigital divide