McLeod CH01

Topics: Decision theory, Information systems, Decision support system Pages: 29 (1172 words) Published: March 5, 2015
Management
Information Systems,
Raymond McLeod
Jr.
and
George
P.
10/e
Schell

© 2007 by Prentice Hall

Management Information Systems, 10/e R
aymond McLeod and George Schell

1

Part I: Essential
Concepts Chapter 1
Introduction to Information
Systems

© 2007 by Prentice Hall

Management Information Systems, 10/e R
aymond McLeod and George Schell

2

Learning Objectives
► Understand

how computer hardware has
evolved to its present level of sophistication.
► Know the basics of computer and
communications architectures.
► Understand the distinction between physical
and virtual systems.
► Describe how business applications have
evolved from an initial emphasis on
accounting data to the current emphasis on
information for problem solving.
© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

3

Learning Objectives (Cont’d)
► Understand

what enterprise resource planning
systems are and the reasons for their
popularity.
► Know how to tailor information systems to
managers based on where they are located in
the organizational structure and what they do.
► Understand the relationship between problem
solving and decision making and know the
basic problem-solving steps.
► Know what innovations to expect in
information technology.
© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

4

History of Information
Systems
► Evolution

in Computer Hardware
 Mainframe
 Multitasking
► Smaller Computers
 Minicomputers
 Microcomputers
 Personal computers (PC)
© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

5

Introduction to Computer
Architecture
► Hardware-processor,

keyboard,
monitor, mouse, printer, etc.
► Software-application, operating, etc.
► Used to support managerial decision
making.

© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

6

Introduction to Computer
Architecture (Cont’d)
► Modem-hardware

device that
modulates the digital signals from a
computer into analog signals
(telephone system), and vice versa.
► Direct communication standards
 Between computers is much faster.
► Wireless

networks

© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

7

Figure 1.5 Communications
Architecture

© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

8

The Evolution in Computer
Applications
► Information

systems are virtual
systems that enable management to
control the operations of the physical
system of the firm.
► Physical system-tangible resources
such as materials, personnel, machines,
and money.
► Virtual system-information resources
that are used to represent the physical
system.
© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

9

Figure 1.6 The Physical System
of the Firm

© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

10

The Evolution of Computer
Applications (Cont’d)
► Open

system is a firm’s physical
system that interacts with its
environment by means of physical
resource flows.
► Closed system is one that does not
communicate with its environment.

© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

11

Transaction Processing
Systems
► Data-facts

and figures that are
generally unusable due to their large
volume and unrefined nature.
► Information-processed data that is
meaningful; tells users something.
► Transaction Processing System
(TPS) processes data that reflects the
activities of the firm.
© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

12

Figure 1.7 A Model of a
Transaction Processing System

© 2007 by Prentice H
all

Management Information S
ystems, 10/e Raymond Mc

13

Management Information
Systems
► Management...
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