1. Management Information Systems

2. Top level managers Middle level managers Low level managers Operational Tactical Strategic

3. Decision Support Systems DSS Assembles data about the business Independent variables – variable that affect the results and can change Dependent variables – variables that affect the results and cannot change Idea – change the independent variables to test situations Simulation – using a computer to reach a decision about a real life situation

4. Executive Information System EIS Concerned with decisions that affect the entire organization For top level management Used for Crisis Management Used for strategic, long term planning