technology in action chapter 1
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Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 1
Technology in Action
Chapter 1Why Computers Matter to You:
Becoming Computer Literate
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 2
Chapter Topics
• Computer literacy• Computers and careers• Technology challenges
What is Computer Literacy
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3
RAM CPU
viruses privacy
security
MB
upgrade Bluetooth
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 4
Why Become Computer Literate?• Becoming computer literate you will be familiar
with computers to understand their capabilities and limitations and to know how to use them.
• Benefits of learning about computers include:
– Being a knowledgeable consumer– Using current and future technology– Increasing your career options– Understanding ethical and legal implications
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 5
• Avoid hackers and viruses-Both can threaten a computer’s security
• Protect your privacy-Help you protect your identity from identity thieves
• Understand the real privacy and security risks
• Use the Internet wisely
Be a Savvy Computer User and Consumer
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 6
• Avoid online annoyances- junk mails, spam
• Maintain your computer- How to care and maintain your computer
• Make good purchase decisions- determine which computers and devices match your need
• Integrate the latest technology
Be a Savvy Computer User and Consumer
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 7
Computers in the Workplace
• Information technology (IT) involves:– Information handling– Information retrieval– Computers– Telecommunications– Software deployment
• The seven fastest-growing occupations are computer related.
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 8
Computers in Your Career?
• Computers are used in:– Business– Retail– Delivery– Arts– Computer gaming– Education
–Law enforcement–Legal system–Agriculture–Automotive technology–Medicine–Sciences
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 9
Computers in Business, Retail, and Delivery
• Data mining- process of searching amount of data to find a pattern or trends-allows retailers to respond to consumer buying pattern
• Package tracking- using Bluetooth tech(wireless communication through radio wave)
• Forecasting models - assist business with predicting sales and inventory levels
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 10
Computers in the Arts• Create Web sites-advertise
to public• Creative arts- been
enhanced by computers-communicate and collaborate across the country
• Digitize dance movements• Produce computer-
generated art
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 11
Computers in Gaming• The computer and
video game industry is huge.
• Get a job doing:– Design– Programming– 3D animation
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Computers in Education
• Instructional software• Distance education- online education• Computerized research-IEEE,• The Internet• Virtual field trips• PDA-guided tours- to enhance tours by
offering extended learning experiences
Digital Home• Devices can be added to your computer to
control digital systems and equipment in the home.
• You can control home systems from your computer and via the Internet:– Entertainment– Security– Lights– Heating and
cooling– Appliances
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 13
Digital Home: Components
• Media computer with:– TV tuner– Radio tuner– Media software– Blu-ray, DVD, and/or CD– Network adapter
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 14
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 15
Computers in Law Enforcement• Search databases - to quickly find records
• Predict criminal activity- Criminologists use specialized software to forecast criminal activity
• Computer forensics- the application of computer systems and techniques to gather potential legal evidence etc recover deleted or damaged files from computers
Computers in the Legal System
• Surveillance cameras capture crimes
• Forensic animations based on evidence
• High-tech courtrooms• Handheld wireless
devices to display evidence
• Online legal librariesCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 16
Computers in Agriculture
• Programs manage complex farming business and information systems
• Radio frequency identification (RFID) tags track and record animals in case of diseases
• Computerized sensors monitor conditions and activate equipment to protect crops
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 17
Computers in Automotive Technology
• Environmental trends and government regulations
• Computerized sensors and CPU systems in vehicles
• Consumer demand for computerized subsystems like GPS navigation, digital music systems
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 18
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 19
Computers in Medicine • Ability of the computer to store, process, and distribute
the information globally led to disease prevention and in pharmaceuticals .
• Patient simulators and surgical robots• Digital modeling of human anatomy
Biomedical Implants
• Technological solutions to physical problems
• Identity chips– Moral implications
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 20
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 21
Computers in the Sciences• Science has used the computer to streamline
studies, eliminate redundancy, test hypotheses, develop theories, and communicate findings.
• new levels of global collaboration• Supercomputers create simulations in
– Astronomy– Meteorology– Archaeology
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 22
Computers in Sports
• Improved training• Timing and
scorekeeping• Data storage and
statistics• Smartballs sense
when soccer goals are scored
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 23
Nanotechnology
• Nano: Prefix stands for one-billionth• Nanoscience: Study of molecules and
structure (nanostructures)• Nanostructures: Range in size from 1 to
100 nanometers• Nanotechnology: Science involving of the
use of nanostructures to build devices on an extremely small scale
Computers in Psychology
• Affective computing: Computing that 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 24
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 25
Challenges Facing a Digital Society
• Privacy risks- Our identity can be stolen• Personal data collection• E-mail monitoring• Copyright infringement -cut and paste from
copyrighted material on the Web. • Reliance on computers for security• Digital divide• Using knowledge and awareness, users must
make the personal decisions required to efficiently, legally, and safely through cyberspace
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