Transcript CHAPTER 1

CHAPTER 1
Introduction To The Computer
Based Information System
Introduction To The Computer
Based Information System
(CBIS)
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Information Management
Interest in IS
What Managers Do
The Manager and Systems
Data Versus Information
The Trends to End-User Computing
The manager manages a physical system composed of
– personnel
– material
– machines
– money
The manager monitors the physical system by using a
conceptual system. The conceptual system provides
information that describes the physical system of the
firm in its environment.
Information Management
• It is easy to see how to manage physical resources
but that applies to conceptual resources as well.
• Types of resources:
– Personnel
– Material
– Machines
– Money
– Information
Interest in Information
Management
• Increasing Complexity of Business Activity:
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International economic influences
Worldwide competition
Increasing complexity of technology
Shrinking time frames
Social constraints
• Improved Computer Capabilities
What Managers Do
strategic planning level
management control lev el
c ontrol
direc t
control
plan
plan
direct
staff
organize
staff
organize
operating control level
control
plan
organize
staff
direct
The Manager and Systems
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Open versus closed systems
Subsystems versus supersystems
Physical versus conceptual systems
Data versus information
The Trends To End-User
Computing
• EUC evolved because of the following:
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An increase in computer literacy
The information services backlog
Low-cost hardware
Prewritten software