The value of information is directly linked to how it helps decision makers achieve the 5 страница

System users, business managers, and mation systems professionals must work together to ~ a successful information system.

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chapter 1 self-assessment test

1. A (An)

The value of information is directly linked to how it helps decision makers achieve the organization's goals.

is a set of interre-

lated components that collect, manipulate, and disseminate data and information and provide a feedback mechanism to meet an objective.

other characters are

2.

Numbers, letters, and represented by

A. image data.

B. numeric data.

C. alphanumeric data.

D. symmetric data.

3. The value of data is measured by the increase in revenues. True False

Models, computers, and information systems are con­stantly making it possible for organizations to improve the way they conduct business.

Computer programs that govern the operation of a computer system are called

A. feedback.

B. feedforward.

C. software.

D. transaction processing system.

9.

Payroll and order processing are examples of a computerized management information system. True False

10. What type of system is used when the problem is
complex and the information needed to make the
best decision is difficult to obtain?

A. TPS

B. MIS

C. DSS

D. AI

11. Robotics and neural networks are examples of

4. A (An)

is a set of elements

or components that interact to accomplish a goal.

5. Which of the following is a way to classify systems?

A. Permanent—Temporary

B. Simple—Dynamic

C. Input—Output

D. Open—Adaptive

6. Graphs, charts, and figures are examples of physi-
cal models. True False

7. A (An)

Knowing the potential impact of information systems and having the ability to put this knowledge to work can result in a successful personal career, organiza­tions that reach their goals, and a society with a higher quality of life.

consists of hard-

ware, software, databases, telecommunications, people, and procedures.

System users, business managers, and information systems professionals must work together to build a successful information system.

12. What determines how a new system will work to
meet the business needs defined during systems
investigation?

A. Systems implementation

B. Systems review

C. Systems development

D. Systems design

13. ____________________ literacy is a knowledge of

how data and information are used by individuals, groups, and organizations.

Chapter 1 Self-Assessment Test Answers

1.information system, 2. C, 3. False, 4. system, 5. A, 6. False, 7. computer-based information system (CBIS), 8. C, 9. False, 10. C, 11. artificial intelligence, 12. D, 13. information systems

key

artificial intelligence (AI), 26 computer-based information system

(CBIS), 16 computer literacy, 30

data, 5 database, 17

decision support system (DSS), 24 e-commerce, 19 effectiveness, 11 efficiency, 10

enterprise resource planning (ERP) system, 22

cert system, 27

-anet, 17 ■rciback, 15 '^casting, 15 i'aware, 16 •:-mation, 5

"I'mation system (IS), 4 ■:^rmation systems literacy, 30 14

■--net, 17 -anet, 17 ":.vledge, 6:.'.ledge base, 27

management information system

(MIS), 23 model, 11 networks, 17 output, 14 procedures, 18 process, 5 processing, 14 software, 16 system, 8

system boundary, 8

system parameter, 11

system performance standard, 11

system variable, 11 systems analysis, 29 systems design, 29 systems development, 28 • systems implementation, 29 systems investigation, 28 systems maintenance and review, 29 technology infrastructure, 16 telecommunications, 17 transaction, 21

transaction processing system

(TPS), 21 virtual reality, 27 workflow system, 22

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review questions

What is an information system? What are some of
the ways information systems are changing our lives?
How would you distinguish data and information?
Information and knowledge? [

Identify at least six characteristics of valuable information.

Define the term system. What is the difference
between a stable system and a dynamic system?
What are the components of any information
system? ■

How is system performance measured? \ХЪа1 is a model? What is the purpose of using a model?

What is a computer-based information system? What are its components?

Define efficiency and effectiveness as they relate to ^
information systems.;

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10. Identify three functions of a transaction process­ing system.

11. What is the difference between an intranet and an extranet?

12. What is a workflow system? How is it different from a transaction processing system?

13. What are the most common types of computer-based information systems used in business organ­izations today? Give an example of each.

14. Identify three elements of artificial intelligence.

15. What are computer literacy and information sys­tems literacy? Why are they important?

16. What are some of the benefits organizations seek to achieve through using information systems?

17. Identify the five steps in the systems development process and state the goal of each.

Questions

^TX*hy is the study of information systems impor-:ant to you? What do you hope to learn from this course to make it worthwhile? How could a workflow system simplify the approval.■: travel expense reports? What are the benefits of • uch a system?

3. What is the difference between an MIS and a DSS?

4. Suppose you are a teacher assigned the task of describing the learning processes of preschool children. Why would you want to build a model of their learning processes? What kinds of models would you create? Why might you create more than one type of model?

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