Chapter 8 Models and Decision Support The Strategic Management of Information Technology
Chapter 8 Models and Decision Support The Strategic Management of Information Technology
Transaction Processing System Input Process Output Software Design Systems Development Communication Information
Transaction Processing System Input Process Output Information Communication Systems Development Software Design
Mode Specific Way of Looking at the World specific and concrete mathematical equations subjective descriptions financial models consumer models management models Assist in Understanding more complex Issues enable comparison between model and actual results Some Processes Defy Modeling Too much variability or complexity
Model Specific Way of Looking at the World – specific and concrete – mathematical equations – subjective descriptions – financial models – consumer models – management models Assist in Understanding More Complex Issues – enable comparison between model and actual results Some Processes Defy Modeling – Too much variability or complexity
Uses of models Optimization Prediction Description Simulation
Uses of Models Optimization Prediction Description Simulation
Dangers of Models Number of alternatives Expense Time Difficulty to Mirror Reality
Dangers of Models Number of Alternatives Expense Time Difficulty to Mirror Reality