Information Technology Reference
In-Depth Information
18. A(n) _____________________ enables one or more users
to move and react in a computer-simulated environment.
Specialized systems can help organizations and individuals
achieve their goals.
19. What type of virtual reality is used to make human beings
feel as though they are in a three-dimensional setting, such
as a building, an archaeological excavation site, the human
anatomy, a sculpture, or a crime scene reconstruction?
a.
20. _______________________ involves the use of informa-
tion systems to develop competitive strategies for people,
organizations, or even countries.
CHAPTER 11: SELF-ASSESSMENT TEST ANSWERS
chaining
b.
relative
(1) knowledge workers (2) d (3) True (4) True (5) Heuristics
(6) d (7) Robotics (8) c (9) learning system (10) c (11) expert
system shell (12) False (13) a (14) False (15) d (16) explanation
facility (17) True (18) virtual reality system (19) c (20) game
theory
c.
immersive
d.
visual
REVIEW QUESTIONS
1. What is a knowledge management system?
2. What is a community of practice?
3. What is the difference between knowledge and
information?
4. What is a vision system? Discuss two applications of such
a system.
5. What is natural language processing? What are the three
levels of voice recognition?
6. Describe three examples of the use of robotics. How can a
microrobot be used?
7. What is a learning system? Give a practical example of such
a system.
8. What is a neural network? Describe two applications of
neural networks.
9. Under what conditions is the development of an expert
system likely to be worth the effort?
10. Identify the basic components of an expert system and
describe the role of each.
11. What is fuzzy logic?
12. What is virtual reality? Give several examples of its use.
13. Expert systems can be built based on rules or cases. What
is the difference between the two?
14. Describe the roles of the domain expert, the knowledge
engineer, and the knowledge user in expert systems.
15. What is informatics? Give a few examples.
16. Describe three applications of expert systems or artificial
intelligence.
17. Identify three special interface devices developed for use
with virtual reality systems.
18. Identify and briefly describe three specific virtual reality
applications.
19. What is informatics? How is it used?
20. Give three examples of other specialized systems.
DISCUSSION QUESTIONS
1.
What are the requirements for a computer to exhibit
human-level intelligence? How long will it be before we
have the technology to design such computers? Do you
think we should push to try to accelerate such a develop-
ment? Why or why not?
4.
What are some of the tasks at which robots excel? Which
human tasks are difficult for them to master? What fields
of AI are required to develop a truly perceptive robot?
5.
Describe how natural language processing could be used in
a university setting.
2.
You work for an insurance company as an entry-level man-
ager. The company contains both explicit and tacit knowl-
edge. Describe the types of explicit and tacit knowledge
that might exist in your insurance company. How would
you capture each type of knowledge?
6.
Discuss how learning systems can be used in a military war
simulation to train future officers and field commanders.
7.
You have been hired to develop an expert system for a uni-
versity career placement center. Develop five rules a student
could use in selecting a career.
3.
Describe a knowledge management system for a college or
university.
8.
What is the relationship between a database and a knowl-
edge base?
