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Ch20

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  • 1. Chapter 20 Information Management Technology© SB InstitutE
  • 2. 20.1 Learning ObjectivesAfter 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© SB InstitutE
  • 3. 20.2 Interrelated Criteria for Valuing Information Quality Relevance Quantity Timeliness© SB InstitutE 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© SB InstitutE
  • 5. 20.4 Internet Access: 4 Primary Capabilities Electronic Mail Telnet (E-Mail) File World Transfer Wide Protocol Web© SB InstitutE
  • 6. 20.5 Evolution in Information Needs Data (raw Data Environment facts and analysis figures) Externally focused Decisions Useful Internally and actions information focused© SB InstitutE Adapted from Figure 20.2
  • 7. 20.6 Information Requirements by Decision Level RequirementInformation At Operational At Tactical At StrategicCharacteristic Level Level LevelScope Narrow, well Broad definedAggregation level Detailed CompositeTime Horizon Historical Future- oriented © SB InstitutE Adapted from Table 20.1
  • 8. 20.7 Information Requirement by Decision Level (cont.) RequirementInformation At Operational At Tactical At StrategicCharacteristic Level Level Level Currency Recent Long term Frequency of use Continuous Periodic Type Quantitative Qualitative & Quantitative © SB InstitutE Adapted from Table 20.1
  • 9. 20.8 Stages in Information Systems Development Preliminary Conceptual Detailed problem Implementation design design definition Feedback© SB InstitutE Adapted from Figure 20.3
  • 10. 20.9Building 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© SB InstitutE 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 peoples computer work 3. Thou shalt not snoop around in other peoples 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 peoples computer resources without authorization or proper compensation 8. Thou shalt not use other peoples 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© SB InstitutE Adapted from Table 20.2

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