Chapter 7 Study Guide
Indicate whether the statement is true or false.
Data consists of raw facts, such as an employee number, number of hours worked in a week, inventory part
numbers, or sales orders.
A database management system
is an organized collection of people, procedures, software, databases, and devices
used to create, store, share, and use the organization’s knowledge and experience.
Examples of data workers include writers, researchers, educators, and corporate designers.
Some organizations and professions use communities of practice (COP)
to create, store, and share knowledge.
An effective KMS is based on learning new knowledge and changing procedures and approaches as a result.
Micro-electromechanical systems can be used in a person’s blood to monitor the body, and for other purposes in
air bags, cell phones, refrigerators, and more.
Neural network systems are effective at identifying people based on facial features.
Neural network systems can be used with robots to give these machines “sight.”
Generally, robots with vision systems have very good color and three-dimensional vision.
The natural language processing system corrects spelling mistakes, converts abbreviations into words and
commands, and allows people to ask questions in English.
Learning systems software do not always require feedback on the results of actions or decisions.
A particular skill of neural nets is analyzing detailed trends.
Genetic algorithms can help companies determine which orders to accept for maximum profit.
Intelligent agents can be used to make travel arrangements, monitor incoming e-mail for viruses or junk mail, and
coordinate meetings and schedules of busy executives.
Expert systems are often used to determine credit limits for credit cards.
A database system consists of a collection of integrated and related components, including a knowledge base, an
inference engine, an explanation facility, a knowledge base acquisition facility, and a user interface.
A knowledge base must be developed for each unique application.