CIS 501 Midterm and Final Exam – Strayer NEW
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Chapters 1 Through 18
Chapter 1
Introduction to Decision Support Systems
True-False Questions
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1.
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The role of a DSS is to
provide support to the decision-maker during the process of making a
decision.
Difficulty:
Easy Reference: p. 3
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2.
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A DSS is used only for
unstructured decisions.
Difficulty:
Easy Reference: p. 3
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3.
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The purpose of a DSS is to
replace the decision maker.
Difficulty:
Easy Reference: p. 4
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4.
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The DSS should always be
under the ultimate control of the user.
Difficulty: Easy Reference: p. 3
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5.
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A DSS facilitates learning
on the part of the decision maker.
Difficulty: Easy Reference: p. 3
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6.
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The most powerful
classification of DSSs is the Universal
DSS.
Difficulty:
Medium Reference: p. 6
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7.
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A DSS is normally designed
to be wide in its scope of application.
Difficulty: Medium Reference:
p. 6
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8.
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A
highly unstructured decision is one where the objectives of the situation are
often conflicting, the alternatives available to the decision maker are
difficult to isolate or determine, and the effect of a particular course of
action or selection of an alternative carries with it a high degree of
uncertainty.
Difficulty: Medium Reference:
p. 7
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9.
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The user interface of a DSS
performs activities related to problem recognition and generation of interim
or final solutions.
Difficulty:
Hard Reference: p. 9
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10.
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The data management
component of a DSS is where the activities associated with the retrieval,
storage and organization of the relevant data for the particular decision
context are managed.
Difficulty: Hard Reference: p. 9
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11.
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The data management
component of a DSS is responsible for maintaining the logical independence of
the data.
Difficulty: Hard Reference: p. 12
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12.
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The model library stores and
manages all solver algorithms within a DSS.
Difficulty: Medium Reference:
p. 15
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13.
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Model acquisition is the
process by which new information is derived from a combination of existing or
previously derived information.
Difficulty: Medium Reference:
p. 16
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14.
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Rules, heuristics and
constraints are stored within a knowledge base of a DSS.
Difficulty: Medium Reference:
p. 16
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15.
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A model is a simplification
of some event or process constructed for the purpose of studying the
phenomenon and thus developing a better understanding of it.
Difficulty: Medium Reference:
p. 13
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16.
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Internal data normally comes
from an organization’s transaction processing systems as a normal course of
conducting the daily affairs of the organization.
Difficulty: Easy Reference: p. 11
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17.
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Knowledge engineers are
specially trained to interact with domain experts for the purposes of
acquiring all of the knowledge the expert has in a particular domain and all
of the relationships among that knowledge.
Difficulty: Medium Reference:
p. 18
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18.
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The model base contains the
various statistical, financial, mathematical, and other quantitative models
used in performing the variety of analytical capabilities in a DSS.
Difficulty: Medium Reference:
p. 14
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19.
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Silver proposed a method of
DSS classification based upon the attributes of the problem-solving context.
Difficulty: Hard Reference: p. 25
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20.
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Hypertext
systems are useful for knowledge bases that are document based.
Difficulty: Medium Reference:
p. 27
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Multiple Choice
Questions
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21.
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The realization of the benefits to be derived from
using a DSS is dependent upon which of the following?
a. The decision maker
b. The context of the decision
c. The design of the DSS
d. All of the above.
Difficulty: Easy Reference: p. 4
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22.
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Which of the following contributed to the
development of the concept of decision support systems?
a. J.P. Little
b. Gorry
c. Scott Morton
d. All of the above.
Difficulty: Easy Reference: p. 6
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23.
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Limitations of a DSS include which of the following?
a. They cannot be designed to copy human
imagination.
b. The language interface does not yet allow
for natural language processing.
c. They are designed to be narrow in scope.
d. All of the above
Difficulty: Easy Reference: p. 5
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24.
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Strategic planning refers to which of the following
activities?
a. Where decisions related to the effective
and efficient procurement and deployment of the organizations assets are
made.
b. Where decisions related to the objectives
of the organization are made.
c. Where decisions relating to the day-to-day
tasks and activities of the organization are made.
d. All of the above.
Difficulty: Medium Reference: p. 7
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25.
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Management control refers to which of the following
activities?
a. Where decisions related to the objectives
of the organization are made.
b. Where decisions related to the effective
and efficient procurement and deployment of the organization’s assets are
made.
c. Where decisions relating to the day-to-day task
and activities of the organization are made.
d. None of the above.
Difficulty: Medium Reference: p. 7
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26.
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Operational
control is best associated with which of the following activities?
a. Making decisions related to the objectives
of the organization.
b. Making decisions related to the effective
and efficient procurement and deployment of the organizations assets.
c. Making decisions relating to the day-to-day
tasks and activities of the organization.
d. Both b and c.
Difficulty: Medium Reference: p. 7
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27.
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The components
of a DSS can be classified into which of the following?
a. Data management system, data repository,
knowledge engine, model repository, user(s)
b. Data query facility, model management
system, model execution processor, user interface, user(s)
c. Data management system, model management
system, knowledge engine, user interface, user(s)
d. Data management system, model management
system, knowledge engine, internal data, external data
Difficulty: Medium Reference: p. 9
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28.
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Which of the
following is considered a subsystem within the data management system?
a. Database(s)
b. Database management system
c. The data query facility
d. All of the above.
Difficulty: Easy Reference: p. 12
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29.
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One of the most important characteristics of a model
is that:
a. it is easy to construct.
b. it is commonly found in decision-making
environments.
c. it is a simplified form of reality.
d. None of the above.
Difficulty: Easy Reference: p. 13
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30.
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The two primary responsibilities of the MBMS are:
a. execution and integration of the models
available to the DSS and the modeling of user preferences.
b. execution and integration of the data
available to the DSS and the manipulation of the user interface.
c. execution of the user interface and the
modeling of user preferences.
d. acquisition of the knowledge contained
within the DSS and the modeling of user preferences.
Difficulty: Medium Reference: p. 15
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31.
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Which of the following best describes the function
and purpose of the inference engine?
a. It is the subsystem responsible for the
acquisition and construction of knowledge rules.
b. It is a component of a DSS that is
specifically intended to allow the user to access the internal components of
that system in a relatively easy fashion and without having to know
specifically how everything is put together or how it works.
c. It is a program module that activates
domain knowledge and performs inferencing to work toward a solution or
conclusion based upon the values for the facts given and the relationships or
rules associated with them.
d. None of the above.
Difficulty: Hard Reference: p. 18
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32.
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The person who may work closely with the decision
maker to assist in interpreting and explaining the DSS output is called the:
a. domain expert.
b. intermediary.
c. domain operator.
d. knowledge generator.
Difficulty: Easy Reference: p. 22
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