information systems (MIS) help managers develop solutions for specific
Answer: False (decision support
systems-DDS) Reference: Decision
data sources include any source not owned by the company that owns the DDS,
such as demographic data purchased from third parties, mailing lists, and
statistics compiled by the federal government.
Answer: True Reference: Internal
and External Data
Sources Difficulty: Easy
portal is a Web site where many types of data services or applications can be
accessed at one time.
Answer: True Reference: Trends in
IT: Emerging Technologies: Web
Portal… Difficulty: Easy
warehousing is the process by which great amounts of data are analyzed and
investigated with the purpose of spotting significant patterns or trends.
Answer: False (Data
mining) Reference: Data
Mining Difficulty: Moderate
systems support normal logic that enables the interjection of experiential
learning into the equation by considering possibilities.
Answer: False (fuzzy
logic) Reference: Knowledge-Based
data redundancy by recording data only once is called normalization of data.
Answer: True Reference: Normalization
a relational database, when two tables have a common field, the link between
the tables is known as a relationship.