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Decision Support System Question Paper

Decision Support System

Course:Bachelor Of Science In Information Technology

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2011

EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE IN INFORMATION TECHNOLOGY
BIT 4203: DECISION SUPPORT SYSTEM
DATE: APRIL 2011 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and any other TWO questions
QUESTION ONE
a) What makes a good decision a good decision? [2 Marks]
b) Define the concept of data mining. [2 Marks]
c) List the major components of the decision-making process [4 Marks]
d) List and briefly describe the classes of decision makers. [3 Marks]
e) Describe the three forces that affect a particular individual's decision style. [3 Marks]
f) List and briefly describe the three fundamental components of a problem structure.
[3 Marks]
g) List and briefly describe the types of abstract models. [3 Marks]
h) Explain the term organization. [2 Marks]
i) Define sensitivity analysis and state its value to the decision maker. [2 Marks]
j) Define Groupware. Where is it applicable? [3 Marks]
k) What is a data warehouse? How is it better than traditional information-gathering
techniques? [ 3 Marks ]
QUESTION TWO
a) Describe the activity-based typology of decisions. Give an example of each class.
[4 Marks ]
b) Compare the two common methods of modeling a problem structure: influence diagram
and decision tree. What are the focuses of each? [4 Marks ]
c) List and briefly describe four basic types of communication networks in group
interactions. [4 Marks ]
d) Describe the five basic methods for executive information determination. [6 Marks ]
e) Explain any two categories of potential negative impacts of an EIS on organizations.
[2 Marks ]
QUESTION THREE
a)State the difficulties of decision making from the perspective of problem structure.
[2 Marks]
b) List and describe the five dimensions of organizational decisions. [ 5 Marks]
c) Discuss any four criteria for evaluation of an expert system. [ 4 Marks]
d) What are the three primary challenges to obtaining valid knowledge? [ 3 Marks ]
e) Describe genes and chromosomes as applied to genetic algorithms. [ 2 Marks]
f) What is data visualization? [ 2 Marks ]
g) Explain the basic concept of logical thinking. [ 2 Marks ]
QUESTION FOUR
a) Briefly describe the components of Simon’s problem-solving model. [6 Marks]
b) Describe the effect of a decision maker’s perception on the decision making process.
[ 3 Marks ]
c) What are the characteristics of a data warehouse? [ 4 Marks]
d) Define information quality and discuss its importance to DSS design. [ 4 Marks ]
e) Identify any three risk factors in DSS implementation projects. [ 3 Marks ]
QUESTION FIVE
a)Describe the three forces that affect a particular individual’s decision style. [3 Marks]
b) Identify any two advantages and two risks of end-user DSS development. [4 Marks]
c) List and briefly describe the three fundamental components of a problem structure.
[3 Marks]
d) Discuss any three relative advantages and disadvantages to using the Internet as a DSS
server. [6 Marks]
e)List and briefly describe any four benefits and limitations of prototyping. [4 Marks]

Decision Support System Question Paper

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