Transcript Chapter 1

© 2009 Prentice-Hall, Inc.
1
Technology in Action
Chapter 1
Why Computers Matter to You:
Becoming Computer Literate
© 2009 Prentice-Hall, Inc.
2
Chapter Topics
•
•
•
•
Computer literacy
Computers and careers
Future technologies
Challenges of a digital society
© 2009 Prentice-Hall, Inc.
3
What Is Computer Literacy?
• To be computer literate you must:
– Understand a computer’s
capabilities and limitations
– Know how to use a computer
© 2009 Prentice-Hall, Inc.
4
Being a Savvy Computer User
and Consumer
•
•
•
•
•
•
•
•
Avoid hackers and viruses
Protect your privacy
Understand the real risks
Use the Internet wisely
Avoid online annoyances
Maintain your computer
Make good purchase decisions
Integrate the latest technology
© 2009 Prentice-Hall, Inc.
5
Computers in Your Career?
• Information Technology (IT) involves:
– Information handling
– Information retrieval
– Computers
– Telecommunications
• Seven fastest-growing occupations are
computer related
© 2009 Prentice-Hall, Inc.
6
Computers in Your Career?
• Computer careers in:
– Business
– Retail
– Shipping
– Arts
– Education
© 2009 Prentice-Hall, Inc.
–Medicine
–Law Enforcement
–Legal System
–Agriculture
–Sciences
7
Computers in
Business, Retail, and Shipping
• Data mining
• Personal Shopper Systems
• Package tracking
© 2009 Prentice-Hall, Inc.
8
Computers in the Arts
• Web site galleries
• Virtual dance
• Computergenerated art
© 2009 Prentice-Hall, Inc.
9
Computer Gaming Careers
• Programming
• 3D animation
© 2009 Prentice-Hall, Inc.
10
Computers in Education
• Computers in the
classroom
• Distance education
• Computerized
research
• The Internet
• PDA-guided tours
© 2009 Prentice-Hall, Inc.
11
Computers in Law Enforcement
• Computers find records and possible
suspects
• Computer forensics growing
© 2009 Prentice-Hall, Inc.
12
Computers in the Legal System
•
•
•
•
Surveillance cameras capture crimes
Forensic animations based on evidence
High-tech courtrooms
Handheld wireless devices used to display
evidence
© 2009 Prentice-Hall, Inc.
13
Computers in Agriculture
• Programs assist in managing complex
farming business and information systems
• RFID tags track and record animals in
case of diseases
• Computerized sensors and equipment
activation protect crops
© 2009 Prentice-Hall, Inc.
14
Computers in Medicine
• Patient simulators and surgical robots
• Physiome Project
© 2009 Prentice-Hall, Inc.
15
Biomedical Implants
• Technological solutions to physical problems
• Identity chips
© 2009 Prentice-Hall, Inc.
16
Simulations
• Supercomputers used to create simulations:
– Archeology
– Meteorology
© 2009 Prentice-Hall, Inc.
17
Computers in Sports
• Improved training
• Timing and
scorekeeping
• Data storage and
statistics
• “Smartballs” sense
when soccer goals
are scored
© 2009 Prentice-Hall, Inc.
18
Nanotechnology
• Nanoscience: Study of molecules and
nanostructures
• Nanotechnology: Science of use of
nanostructures
© 2009 Prentice-Hall, Inc.
19
Affective Computing
• Computing that
relates to emotion or
tries to influence
emotion
• Emotional-Social
Prosthesis (ESP)
device
© 2009 Prentice-Hall, Inc.
20
Challenges Facing a
Digital Society
•
•
•
•
•
Privacy risks
Personal data collection
Email monitored
Copyright infringement
Reliance on computers
for security
• Digital divide
© 2009 Prentice-Hall, Inc.
21
Chapter 1 Summary Questions
• What does it mean to be “computer
literate”?
© 2009 Prentice-Hall, Inc.
22
Chapter 1 Summary Questions
• How does being computer literate make
you a savvy computer user and
consumer?
© 2009 Prentice-Hall, Inc.
23
Chapter 1 Summary Questions
• How can becoming computer literate help
you in a career?
© 2009 Prentice-Hall, Inc.
24
Chapter 1 Summary Questions
• How can becoming computer literate help
you understand and take advantage of
future technologies?
© 2009 Prentice-Hall, Inc.
25
Chapter 1 Summary Questions
• What kinds of challenges do computers
bring to a digital society, and how does
becoming computer literate help you deal
with these challenges?
© 2009 Prentice-Hall, Inc.
26