Decision-making and Information Systems
Overview What managers do? Decision-making Many views of MIS Types of MIS
What managers do? Regular meetings Travel Other meetings Desk work Phone calls
e-mail, video/teleconferencing, computer-mediated meetings Managerial roles and IS support Role IS support interpersonal e-mail, video/teleconferencing, computer-mediated meetings informational TPS,MIS,EIS,OIS decisional DSS,GDSS,EIS, AI/ES
Decision-making problem definition alternatives resolution Intelligence problem definition Design alternatives resolution Choice
Decision and planning levels strategic STRATEGIC PLANNING tactical MANAGEMENT CONTROL OPERATIONAL CONTROL operational Transaction processing, operations
Time horizon NOW weeks years 5-7 strategic tactical operational
Decision problems and management activities
Components' view Knowledge People Hardware Software Data Bases Procedures
Users' view
Federative view DATA BASE P R O D U C T I N M A N G E T M A R K E T I L Data base management system DATA BASE
Integrative view Functional areas Decision levels Data base management system
Types of Information Systems TPS transaction processing systems MIS management reporting EIS executive information systems DSS decision support systems GDSS group decision support systems AI/ES expert systems