Chapter 17

Question 1

Data mining is the

Answer 1

process of discovering unknown patterns and relationships in large amounts of data

Question 2

Two critical steps are required to make sure that data can be accessed by authorized users and no one else. They are

Answer 2

authentication and authorization

Question 3

The goal of an executive information system (EIS) is to

Answer 3

provide accurate, complete, relevant, and timely information to managers

Question 4

To properly secure data and data networks, a manager should use

Answer 4

a. firewalls
b. all of these - Correct
c. virtual private networks
d. Web-based SSL encryption
e. authentication and authorization

Question 5

A(n) __________ is a private company network that allows employees to easily access, share, and publish information using Internet software.

Answer 5

intranet

Question 6

__________ is the direct electronic transmission of purchase and ordering information from one company’s computer system to another company’s computer system.

Answer 6

Electronic data interchange

Question 7

Which of the following statements about knowledge is true?

Answer 7

Knowledge is the understanding that one gains from information.

Question 8

According to ____, the cost of computing will drop by 50 percent as computer-processing power doubles every 18 months.

Answer 8

Moore’s law

Question 9

The term ____ refers to facts and figures that are in an unusable form.

Answer 9

raw data

Question 10

The first company to use new information technology to substantially lower costs or differentiate products or services often gains ____.

Answer 10

first-mover advantage

Question 11

Why is information strategically important for organizations?

Answer 11

information can be used to obtain first-mover advantage.

Question 12

Which of the following is one of the critical issues companies need to address in order to sustain a competitive advantage through information technology?

Answer 12

Is the firm’s use of information technology difficult for another company to create or buy?

Question 13

The key to sustaining competitive advantage is ____.

Answer 13

using information technology to continuously improve and support the core functions of a business

Question 14

According to the resource-based view of information technology, sustainable competitive advantage ____.

Answer 14

a. is difficult to create or acquire
b. occurs when information technology adds value
c. is accurately described by all of these - correct
d. differs across firms
e. can be created by using information technology to continuously improve and support the core functions of a business

Question 15

The two basic methods of capturing information are ____.

Answer 15

manual and electronic

Question 16

Because they are inexpensive and easy to use, ____, which convert printed text and pictures into digital images, have become an increasingly popular method for capturing data electronically.

Answer 16

electronic scanners

Question 17

____ is the process of discovering unknown patterns and relationships in large amounts of data.

Answer 17

Data mining

Question 18

Using ____ data mining, the user simply tells the data mining software to uncover whatever patterns and relationships it can find in a data set

Answer 18

unsupervised

Question 19

Unsupervised data mining is particularly good at identifying ____.

Answer 19

sequence patterns

b. association or affinity patterns	
c. data clusters	 
d. all of these	 - all of these is correct

Question 20

____ occur in data mining when two or more database elements occur together in a significant pattern, with one of the elements preceding the other.

Answer 20

Sequence patterns

Question 21

Unsupervised data mining can be used to recognize ____ patterns.

Answer 21

affinity, sequence, and predictive

Question 22

Which of the following statements about data mining is true?

Answer 22

Data mining typically uses data from a data warehouse.

Question 23

____ is the process of ensuring that data are reliably and consistently retrievable in a usable format for authorized users, but no one else.

Answer 23

Protecting information

Question 24

Which of the following is NOT an example of a security problem that may threaten data and data networks?

Answer 24

mob flashing

Question 25

Two critical steps are required to make sure that data can be accessed by authorized users and no one else. They are ____.

Answer 25

authentication and authorization

Question 26

A system that requires employees to scan their thumbprints as they start work is called a(n)___________.

Answer 26

biometrics

Question 27

Three kinds of information technology are used by executives, managers, and workers inside the company to access and share information. They are ____.

Answer 27

executive information systems, portals, and intranets

Question 28

A(n) ____ uses internal and external sources of data to provide managers and executives the information they need to monitor and analyze organizational performance

Answer 28

a. executive information system

Question 29

____ is the direct electronic transmission of purchase and ordering information from one company’s computer system to another company’s computer system.

Answer 29

Electronic data interchange

Question 30

Unlike an executive information system, a decision support system (DSS) ____.

Answer 30

helps managers understand problems and potential solutions by acquiring and analyzing information with sophisticated models