Question 1

Regression analysis is used to find groups of similar customers from customer order and demographic data.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is true for data warehouses?

Accepted Answer

A)  Data are stored in a data warehouse database using a data warehouse DBMS. 
B)  Data warehouses are prohibited from purchasing data from outside sources. 
C)  User-generated content applications generate potentially large amounts of data. 
D)  Purchased data is more accurate than data collected directly from clients. 
A)  Data are stored in a data warehouse database using a data warehouse DBMS. 
B)  Data warehouses are prohibited from purchasing data from outside sources. 
C)  User-generated content applications generate potentially large amounts of data. 
D)  Purchased data is more accurate than data collected directly from clients.

Question 3

Data warehouses and data marts are expensive to create,staff,and operate.

Accepted Answer

A) True 
 B)False

Question 4

1,000,000 bytes equal one gigabyte.

Accepted Answer

A) True 
 B)False

Question 5

What is the purpose of a data warehouse?

Accepted Answer

The purpose of a data warehouse is to ex

Question 6

One megabyte is equal to ________ bytes.

Accepted Answer

A)  1,000 
B)  1,000,000,000 
C)  1,000,000,000,000 
D)  1,000,000 
A)  1,000 
B)  1,000,000,000 
C)  1,000,000,000,000 
D)  1,000,000

Question 7

Which of the following systems use If/Then rules?

Accepted Answer

A)  data-mining systems 
B)  knowledge-management systems 
C)  expert systems 
D)  reporting systems 
A)  data-mining systems 
B)  knowledge-management systems 
C)  expert systems 
D)  reporting systems

Question 8

The facts about data,such as its source,format,assumptions,constraints,and the like,are called ________.

Accepted Answer

A)  metadata 
B)  folksonomies 
C)  microdata 
D)  data packets 
A)  metadata 
B)  folksonomies 
C)  microdata 
D)  data packets

Question 9

Knowledge-management systems follow If/Then rules.

Accepted Answer

A) True 
 B)False

Question 10

________ bytes equal one terabyte.

Accepted Answer

A)  1,000 
B)  1,000,000 
C)  1,000,000,000,000 
D)  1,000,000,000 
A)  1,000 
B)  1,000,000 
C)  1,000,000,000,000 
D)  1,000,000,000

Question 11

What are the characteristics and advantages of knowledge management systems?

Accepted Answer

Knowledge management (KM)systems create

Question 12

Which of the following is a problem commonly associated with operational data that have been gathered over time?

Accepted Answer

A)  too fine 
B)  nonintegrated 
C)  inconsistent 
D)  missing values 
A)  too fine 
B)  nonintegrated 
C)  inconsistent 
D)  missing values

Question 13

Write a brief note on the characteristics and advantages of expert system.

Accepted Answer

Expert systems encapsulate the knowledge

Question 14

How is a data warehouse different from a data mart?

Accepted Answer

The purpose of a data warehouse is to ex

Question 15

________ systems integrate data from multiple sources,and they process that data by sorting,grouping,summing,averaging,and comparing.

Accepted Answer

A)  Knowledge management 
B)  Data-mining 
C)  Expert 
D)  Reporting 
A)  Knowledge management 
B)  Data-mining 
C)  Expert 
D)  Reporting

Question 16

What is dirty data?

Accepted Answer

Data from transaction processing and oth

Question 17

Data warehouses extract and clean data from operational systems.

Accepted Answer

A) True 
 B)False

Question 18

A ________ is a data collection that is created to address the needs of a particular business function,problem,or opportunity.

Accepted Answer

A)  data mart 
B)  data harvester 
C)  data mine 
D)  data warehouse 
A)  data mart 
B)  data harvester 
C)  data mine 
D)  data warehouse

Question 19

The curse of dimensionality states that the more attributes there are,the more difficult it is to build a model that fits the sample data but the more relevant it is as a predictor.

Accepted Answer

A) True 
 B)False

Question 20

The more attributes there are,the easier it is to build a model that fits the sample data but that is worthless as a predictor.Which of the following best explains this phenomenon?

Accepted Answer

A)  the free rider problem 
B)  the curse of dimensionality 
C)  the tragedy of the commons 
D)  the zero-sum game 
A)  the free rider problem 
B)  the curse of dimensionality 
C)  the tragedy of the commons 
D)  the zero-sum game

Exam 9: Business Intelligence and Information Systems for Decision Making

Regression analysis is used to find groups of similar customers from customer order and demographic data.

Which of the following is true for data warehouses?

Data warehouses and data marts are expensive to create,staff,and operate.

1,000,000 bytes equal one gigabyte.

What is the purpose of a data warehouse?

One megabyte is equal to ________ bytes.

Which of the following systems use If/Then rules?

The facts about data,such as its source,format,assumptions,constraints,and the like,are called ________.

Knowledge-management systems follow If/Then rules.

________ bytes equal one terabyte.

What are the characteristics and advantages of knowledge management systems?

Which of the following is a problem commonly associated with operational data that have been gathered over time?

Write a brief note on the characteristics and advantages of expert system.

How is a data warehouse different from a data mart?

________ systems integrate data from multiple sources,and they process that data by sorting,grouping,summing,averaging,and comparing.

What is dirty data?

Data warehouses extract and clean data from operational systems.

A ________ is a data collection that is created to address the needs of a particular business function,problem,or opportunity.

The curse of dimensionality states that the more attributes there are,the more difficult it is to build a model that fits the sample data but the more relevant it is as a predictor.

The more attributes there are,the easier it is to build a model that fits the sample data but that is worthless as a predictor.Which of the following best explains this phenomenon?

The Importance of MIS

Business Processes, Information, and Information Systems

Organizational Strategy, Information Systems, and Competitive Advantage

Hardware and Software

Database Processing

Data Communications

Business Process Management

E-Commerce, Web 2.0, and Social Networking

Information Systems Development

Information Systems Management

Information Security Management

Improving Your Collaboration Skills

Using Collaboration Information Systems

Information Systems and Decision Making

Knowledge Management and Expert Systems

Introduction to Microsoft Excel

Preparing a Computer Budget Using Excel

Database Design

Using Microsoft Access 2010

Using Excel and Access Together

Remote, Nomadic, and Mobile Systems

Functional Processes, Applications, and Systems

Enterprise Resource Planning (ERP)Systems

Supply Chain Management

Processing Social Capital: Facebook, Twitter, and User-Generated Content (UGC)

Database Marketing

Reporting Systems and OLAP

Geographic Information Systems

Business Process Management

Systems Development Project Management

Outsourcing

International MIS

Filters