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Management Information Systems: Solving Business Problems with Information Technology, 3/e
Gerald V. Post, University of the Pacific
David L. Anderson, DePaul U/McGowan Center

Complex Decisions and Expert Systems

Chapter 9 Multiple Choice



1

It is easier to create a computer system to handle inventory because:
A)Everyone already understands inventory.
B)Inventory items are physical items.
C)The computer can easily keep track of item numbers and quantity sold.
D)You can use COBOL.
2

In an expert systems situation, the need for speed arises:
A)If simple or moderately complex decisions are made hundreds or thousands of times.
B)If a situation presents a set of symptoms.
C)If workers learn the business rules of their job while using the system.
D)If many situations use the same basic inputs.
3

The common characteristic of a diagnostic situation is that:
A)There is only one right answer.
B)There can be more than one right answer.
C)You are faced with a set of symptoms and you need to find the cause.
D)The cause is dependent on the answer.
4

The area that causes most problems when you are creating expert systems is:
A)Using LISP and Prolog.
B)Finding the correct shell.
C)Finding a cooperative expert who understands and can explain the problem.
D)Gaining the confidence of the users.
5

The two ways to create an expert system are:
A)To hire a programmer, or use a commercial ES shell.
B)Buy a prepackaged solution, or hire a programmer.
C)Use a commercial ES shell, or learn LISP.
D)Hire a programmer, or learn Prolog.
6

According to the text, when creating an expert system, management faces the usual issues of:
A)Money, teamwork, and management understanding.
B)Management support, financial support, programming resources.
C)Programming resources, management support, evaluating and controlling the project.
D)Defining the problem, communication between users and designers, and evaluating and controlling the project.
7

The primary object of neural networks is to:
A)Store and recognize patterns.
B)Store enough data rules to make millions of interconnections.
C)Learn by examining past data.
D)Manipulate statistics.
8

A/an ______________________ has the limited ability to "learn" by examining past data.
A)Neural network.
B)Expert system.
C)DDS.
D)Knowledge database.
9

A manager must decide where to locate a plant. She must consider many attributes. Which is the least measurable?
A)Cost of land
B)Attitude of government officials
C)Taxes
D)Distance from suppliers
10

The research into techniques that might make computers "think" more like humans is known as:
A)Expert systems]
B)Artificial intelligence
C)Psychology
D)Diagnostic problems
11

The goal of an expert system is:
A)To aid experts in their decision-making
B)To train experts
C)To simulate human thinking
D)To enable novices to achieve results similar to those of an expert
12

Computerized expert systems are designed to:
A)Solve broad, multi-faceted problems
B)Narrow, specialized problems
C)Obscure, nebulous problems
D)Only simple problems
13

Finding the source of delays and identifying causes of defects are examples of:
A)Artificial intelligence
B)Speedy decisions
C)Diagnostic situations
D)Training
14

What is the main difficulty in using a computer system to enforce standards?
A)Creating a set of rules that accurately describe the decisions and standards
B)Deciding what the right decision is
C)Loans, pricing and raises often adhere to inconsistent patterns
D)Computer maintenance
15

What causes the most problems in creating an expert system?
A)Finding a cooperative expert who fully understands and can explain the problem
B)Finding the right software
C)Finding the right hardware
D)Software is too slow
16

What applies new observations to the knowledge base and analyzes the rules to reach a conclusion?
A)Knowledge engineer
B)Decision tree
C)Inference engine
D)Consensus building
17

Organizing data, devising rules, entering criteria into the expert system shell, or supervising programmers are typical duties of a/an:
A)Knowledge engineer
B)Decision ranger
C)Systems administrator
D)Expert
18

Which is not a type of expert system in use today?
A)Knowledge bases organized by rules
B)Knowledge bases organized by rows
C)Knowledge bases organized by frames
D)Knowledge bases organized by cases
19

Rules are often presented as:
A)if … so … then … statements
B)if …what …else … statements
C)what …if … then … statements
D)if …then … else … statements
20

Parts of a knowledge base are often expressed as a/an:
A)Expert system
B)Expert systems shell
C)Decision tree
D)Decision shell
21

Hiring a programmer to write custom software or using commercial ES shell software to evaluate rules are two basic ways to:
A)Create a decision tree
B)Create an expert system
C)Create a knowledge engineer
D)Create logical rules
22

More commonly today, an ES is built from:
A)A decision tree
B)A bank loan
C)C++
D)An expert system shell
23

When a user enters a "conclusion" and asks the expert system to see if the rules support that conclusion, the process is called:
A)Forward chaining
B)Lateral chaining
C)Backward chaining
D)Carol chaining
24

When the shell traces rules from the data entry to a recommendation, the process is called:
A)Forward chaining
B)Lateral chaining
C)Backward chaining
D)Carol chaining
25

What is probably the greatest difficulty in creating an expert system?
A)Finding up-to-date software
B)Determining the logic rules or frames that will lead to the proper conclusions
C)Writing if… so… else statements
D)Hiring a knowledge engineer
26

If an expert transfers knowledge to an expert system, is there still a need for an expert?
A)Yes
B)No
C)Almost never
D)It depends on the situation
27

How is a knowledge management system different from an expert system?
A)A KM is designed to store any type of data needed to convey the context of the decision and the discussion involved in making the decision.
B)An ES is designed to store any type of data needed to convey the context of the decision and the discussion involved in making the decision
C)A KM is primarily a small database of largely inaccessible data for experts
D)A KM contains no rules
28

Often one of the biggest challenges with KM systems is creating an organizational environment that encourages decision-makers to store their knowledge in the system. There are several reasons. Which of the following is NOT one of them
A)The system will have little data, initially
B)The early decision-makers will have to spend a great deal of time organizing their discussions to make the system valuable in the future
C)The system is often too rigidly structured and consists of a small number of cases
D)The early decision-makers will also have to spend lots of time creating files and links that will enhance the system's future value
29

Humans are noticeably better than computers in six broad areas. Which is not one of them?
A)Movement
B)Speech recognition
C)Vision
D)Computation
30

Humans use pattern recognition …
A)A few times a day
B)Hundreds of times a day
C)Thousand of times a day
D)Millions of times a day
31

The brain is a collection of cells called:
A)Electrons
B)Neurons
C)Synapses
D)Mitochondria
32

Neural networks can be measured in two ways … :
A)By the size of the individual cells and the number of neurons.
B)By the number of neurons and the number of interconnections between the individual cells
C)By the size of the individual cells and the number of interconnections between the individual cells
D)By the number of interconnections between the individual cells and the speed with which the cells are created
33

Mechanical sensors have several advantages over humans. Which of the following is NOT one of them?
A)Mechanical sensors can more easily compare objects of different sizes
B)Mechanical sensors do not suffer from fatigue
C)Mechanical sensors can examine a broader spectrum of light
D)Mechanical sensors can quickly focus at many different levels
34

Today's voice recognition systems can recognize continuous systems with …
A)40-50 percent accuracy
B)60-70 percent accuracy
C)80-90 percent accuracy
D)90-95 percent accuracy
35

In a famous test of a computer's language comprehension ability, a human judge communicates with a machine and another person in a separate room. If the judge cannot determine which user is the machine and which is a person, the machine should be considered to be intelligent. What is the name of this test?
A)The Fuzzy Logic Test
B)The Turing Test
C)The Speech Test
D)The Uncertainty Test
36

Modern manufacturing relies heavily on robots, and the capabilities of robots continually increase. What is one area that remains troublesome?
A)Making a machine that can paint items on an assembly line
B)Making a machine that can navigate through a crowded room
C)Welding
D)Performing limited numbers of tasks
37

Statistics:
A)Predict the outcome of any given situation
B)Enable us to define the concept of uncertainty
C)Enable us to examine large sets of data and spot patterns and relationships
D)Both B and C
38

Manufacturers from what country in particular have found it easier to design products using fuzzy logic?
A)United States
B)Germany
C)Japan
D)Mexico
39

What is the name for object-oriented programs designed for networks that are written to perform specific tasks in response to user requests?
A)Database
B)Process
C)Decision tree
D)Agent
40

In general, software agents:
A)Are being hindered by limited standards and the difficulty in creating them.
B)Have had widespread success
C)Need not understand the data in order to respond to questions
D)Are easy to create
41

What is NOT an advantage of using an expert system to offer customers personalized attention?
A)The system can not be offered 24 hours a day
B)The system can usually solve most of the easy questions
C)It can be less embarrassing for customers who might think their questions are too silly to ask a human trouble shooter
D)The system can use the customer's purchase history to recommend future purchases




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