5.a: Quiz DSS

Question 1

(1)Which of the following is a characteristic of decision support system (DSS)?

A. DSS allows flexibility in the decision-making approach of users.
B. DSS supports only structured decision-making tasks.
C. DSS is aimed at solving highly structured problems.
D. DSS uses techniques with non-traditional data access and retrieval functio

Answer 1

Answer: A. DSS allows flexibility in the decision-making approach of users.

Explanation:
Following are the characteristics of DSS:
-DSS supports semi-structured or less structured decisions.
-DSS uses techniques with traditional data access and retrieval function.
-DSS is flexible and adoptable in changing environment and decision making approach of the u

Question 2

(2)Expert system’s knowledge base that uses questionnaires to lead the user through a series of
choices before a conclusion is reached is known as:

A. diagram trees
B. decision trees.
C. semantic nets.
D. networks trees.

Answer 2

Answer: B. decision trees.

Explanation:
Decision trees use questionnaires to lead a user through a series of choices until a conclusion is
reached.

Question 3

(3)Major risk of implementation of decision support system is:

A. Not able to specify purpose and usage requirements.
B. decision making is of Semi-structured dimensions
C. Inability to specify purpose and usage patterns
D. Frequent changes in decision processes

Answer 3

Answer: C. Inability to specify purpose and usage patterns

Explanation:
The inability to specify purpose and usage patterns is a risk that developers need to anticipate while
implementing a decision support system (DSS). Choices A, B and D are not risks, but characteristics
of a DSS.

Question 4

(4)Questionnaires to lead the user through a series of choices to reach a conclusion are used by:

A. Network trees
B. Decision trees
C. Logic trees
D. Logic algorithms

Answer 4

Answer: B. Decision trees

Explanation:
Decision trees use questionnaires to lead the user through a series of choices to reach a conclusio

Question 5

(5)A decision support system (DSS):

A. concentrates on highly structured problems.
B. supports the requirements of only top management.
C. emphasizes flexibility in the decision making approach of users.
D. fails to survive in changing environment

Answer 5

Answer: C. emphasizes flexibility in the decision making approach of users.

Explanation:
DSS emphasizes flexibility in the decision-making approach of users. Following are the
characteristics of DSS:
-DSS supports semi-structured or less structured decisions.
-DSS uses techniques with traditional data access and retrieval function.
-DSS is flexible and adoptable in changing environment and decision making approach of the users.

Question 6

(6)The Business Information System which provides answers to semi-structured problems & for validation of business decisions is:

A. Decision Support System
B. Structured Information System
C. Transaction Processing System
D. Executive Support System

Answer 6

Answer: A. Decision Support System

Explanation:
The Business Information System used for handling semi-structured problems & for validation of
business decisions is the Decision Support System or DSS. TPS address lower level needs while ESS
deals with higher level systems which aim more at problem solving & also address strategic
concerns. Hence, the correct answer is as in Option A.

Question 7

(7)An IS auditor reviewing the decision support system should be MOST concerned with the:

A. quality of input data.
B. level of experience and skills contained in the knowledge base.
C. logical access control of the system.
D. processing controls implemented in the system

Answer 7

Answer: B.level of experience and skills contained in the knowledge base.+

Explanation:
The level of experience or intelligence in the knowledge base is a key concern for the IS auditor, as
decision errors based on a lack of knowledge could have a severe impact on the organization.
Choices A, C and D are not as important as B.