1. Chapter 20
Information Management
Technology
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2. 20.1
Learning Objectives
After reading this chapter, you should be able to:
Explain the role of information as a management resource
Describe six common information management technologies
Identify the primary factors involved in the design of information
systems
State the ethical issues involved in information technologies
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3. 20.2
Interrelated Criteria for Valuing Information
Quality Relevance
Quantity Timeliness
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Adapted from Figure 20.1

4. 20.3
Information Management Technologies
Internet
Extranets
Increased
Intranets
Information
Decision Support Management
Systems Capability
Expert Systems
Group Decision
Support Systems
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5. 20.4
Internet Access: 4 Primary Capabilities
Electronic Mail
Telnet
(E-Mail)
File World
Transfer Wide
Protocol Web
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6. 20.5
Evolution in Information Needs
Data (raw Data
Environment facts and analysis
figures)
Externally
focused Decisions Useful
Internally and actions information
focused
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Adapted from Figure 20.2

7. 20.6
Information Requirements by Decision Level
Requirement
Information At Operational At Tactical At Strategic
Characteristic Level Level Level
Scope Narrow, well Broad
defined
Aggregation level Detailed Composite
Time Horizon Historical Future-
oriented
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Adapted from Table 20.1

8. 20.7
Information Requirement by Decision Level (cont.)
Requirement
Information At Operational At Tactical At Strategic
Characteristic Level Level Level
Currency Recent Long term
Frequency of use Continuous Periodic
Type Quantitative Qualitative &
Quantitative
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Adapted from Table 20.1

9. 20.8
Stages in Information Systems Development
Preliminary
Conceptual Detailed
problem Implementation
design design
definition
Feedback
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Adapted from Figure 20.3

10. 20.9
Building Blocks for Effective Implementation of Information
Systems
7. System backup
4. Phased 5. Thorough 6. Training and
implementation testing documentation
2. Top
1. User 3. Time and cost
management
Information evaluation
support
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Adapted from Figure 20.4

11. 20.10
Ten Commandments of Computer Ethics
1. Thou shalt not use a computer to harm other people
2. Thou shalt not interfere with other people's computer work
3. Thou shalt not snoop around in other people's files
4. Thou shalt not use a computer to steal
5. Thou shalt not use a computer to bear false witness
6. Thou shalt not copy or use proprietary software for which
you have not paid
7. Thou shalt not use other people's computer resources
without authorization or proper compensation
8. Thou shalt not use other people's intellectual output
9. Thou shalt think about the social consequences of the
program you are writing or the system you design
10. Thou shalt use a computer in ways that show
consideration and respect for your fellow humans
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Adapted from Table 20.2