1. 1 Information Requirements by Management Level Strategic Management Tactical Management Operational Management Decisions Information

2. 2 IS for Managerial Decision Support Type of information - level of management - structure –Strategic - unstructured, summarized, ad hoc, unscheduled –Tactical - semistructured, from other two –Operational - structured, prespecified, day-to-day MIS - planning, controlling and decision making –prespecified - performance of organizational functions and processes, structured, - operational and tactical

3. 3 –Reports periodic scheduled, exception, demand, push –Online analytical processing consolidation - aggregation of data drill-down - reverse direction slicing and dicing - different viewpoint

4. 4 DSS - interactive, individual managers, specific problems or opportunities - semistructured and unstructured problems –analytical model base - computational and analytical routines - variables and relationships, comparing alternatives –data warehousing, data mining EIS - strategic needs for top management ESS - executive support systems

5. 5 AI - artificial intelligence - emulate humans –expert systems - specific complex application area –knowledge base - reasoning capability –fuzzy logic - incomplete or partially correct –neural network - can learn through processing –genetic algorithm - survival of fittest –intelligent agents - software surrogates –virtual reality - computer simulated, multisensory –hybrids