1. The CBIS Model Decisions (CBIS) Problem Information Problem Solution
Computer-based
Information System
(CBIS)
Accounting
Information System
Problem
Information
Management
Information System
Decisions
Decision Support
Systems
Problem
Solution
The Virtual
Office
Knowledge-based
Systems
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2. Information Services Information specialists have
full-time responsibility for
developing and maintaining
computer-based systems
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3. Traditional Communication Chain
Database
Administrator
Systems
Analyst
User
Operator
Programmer
Computer
Network
Specialist
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4. End-User Computing (EUC)
Development of all or part of applications
Information specialists act as consultants
Stimulants to EUC
Increased computer literacy
IS backlog
Low-cost hardware (the PC)
Prewritten software (electronic spreadsheets)
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5. IS and EUC The End-User Computing Communication Chain
Information
Specialists
Support
User
Communication
Computer
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6. Justifying the CBIS
Justify in the same manner as any other large investment
Economic
Cost reduction
Reduced inventory investment
Increased productivity (CAD/CAM)
Noneconomic
Perceived value
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7. Achieving the CBIS
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8. Reengineering the CBIS
Business Process Reengineering (BPR)
Reworking systems
Good system features retained
Becoming development methodology of choice
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