WorksheetsQuizizz Chapter 9
Total questions: 20
Worksheet time: 7mins
A (a) is a simplified representation or abstraction of reality.
A decision support system models (a) to support managers and business professionals during the decision-making process.
(a) analysis occurs when users change the value of one variable repeatedly and observe the resulting changes in other variables.
What-if analysis checks the impact of a (a) in an assumption on the proposed solution.
(a) systems are computerized advisory programs that imitate the reasoning processes of experts in solving difficult problems.
The ultimate goal of AI is the ability to build a system that can mimic human intelligence.
True
False
A genetic algorithm is an artificial intelligence system that mimics the evolutionary, survival-of-the-fittest process to generate increasingly better solutions to a problem.
True
False
Sensitivity analysis, what-if analysis, and market basket analysis are the three quantitative models typically used by a DSS.
True
False
Consolidation, drill-down, and association detection are the three most common capabilities offered in an EIS.
True
False
Moving up through the organizational pyramid users move from requiring analytical information to transactional information.
True
False
Which of the following is not a reason for the growth of decision-making information systems?
People need to analyze large amounts of information
People no longer have to worry about protecting the corporate asset of organizational information
People must apply sophisticated analysis techniques to make good decisions
People must make decisions quickly
What can a model accomplish?
Calculate risks
Understand uncertainty
Manipulate time
All of the above
What is consolidation?
Involves the aggregation of information and features simple roll-ups to complex groupings of interrelated information.
The ability to look at information from different perspectives
Enables users to get details, and details of details, of information
Finds the inputs necessary to achieve a goal such as a desired level of output
What is a category of AI that attempts to emulate the way the human brain works?
Intelligent system
Artificial intelligence
Neural network
Expert systems
Which of the following is the most commonly used form of AI in the business arena?
Intelligent system
Artificial intelligence
Neural network
Expert system
What is a technique used to divide an information set into mutually exclusive groups such that the members of each group are as close together as possible to one another and the different groups are as far apart as possible?
Association detection
Market basket analysis
Cluster analysis
Intelligent agent
Which of the following represents market basket analysis?
Analyzes Web site information
Analyzes checkout scanner information
Detects customers’ buying behavior
All of the above
What is time-series information?
Analyzes checkout scanner information
Time-stamped information collected at a particular frequency
Reveals the degree to which variables are related
Detects customers’ buying behavior
Which of the following is an incorrect enterprise view of information technology?
Processes are analytical for executives and transactional for analysts
Granularity is coarse for executives and fine for analysts
Processing is OLTP for executives and OLAP for analysts
None of the above
Which of the following represents the top-down (executives to analysts) organizational levels of information technology systems?
TPS, DSS, EIS
DSS, TPS, EIS
EIS, DSS, TPS
None of the above, it varies from organization to organization
