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Structure of Structure of Management Management
Information SystemsInformation Systems
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FLOW OF PRESENTATION
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The PhysicalComponents of MIS
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A Networked Information System: Three-Tier Architecture
A Networked Information System: Three-Tier Architecture
CorporateHeadquarters
Finance ProductionMarketingand Sales
CorporateDatabases
Mainframe
DivisionalDatabases
Divisional Minicomputerswith Divisional
Databases
Local Area Network:PCs with Local Databases
SalesforceNotebooks
RegionalOfficeWork-stations
Plant Minicomputers
TelecommunicationsLink
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A Downsized Networked Information System:Client/Server Architecture
A Downsized Networked Information System:Client/Server Architecture
LAN
LAN
WAN
Client PCs
WorkgroupServer
DatabaseServer
Client PCs
Enterprise Computer(Central Server)
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Information for Management
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Management Reporting Systems (MRS)
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Decision Support Systems (DSS)
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The Structure of Decision Support SystemsThe Structure of Decision Support Systems
ModelManagement
DataManagement
DialogManagement
Decision Support System
Internal and ExternalDatabases
User
...
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Executive Information Systems
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The Structure of Expert SystemsThe Structure of Expert Systems
ExplanationFacility
InferenceEngine
UserInterface
Expert System Knowledge Base
User
Facts of the Case
Recommendation,Explanation
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Informational Support of Management
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A Summary of the Informational Support of Management
A Summary of the Informational Support of Management
GreaterImportanceof ExternalInformation
MoreSummarizedInformation
LongerTimeHorizon
LessStructuredProblems
StrategicManagement
TacticalManagement
OperationsManagement
Hum
an Resources
Production
Finance
Marketin
g
BusinessFunctions
EIS
DSS
MRS
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Informational Support of Management
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Functional Departmentation & MIS
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The Role of MIS
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The Role of MIS
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The Role of MIS
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The Role of MIS
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Conclusion
"We are moving toward teach them how to do it themselves:"– UNIX environments, work stations,
PC, LANs, application packages– SATISFACTION, USABILITY,
Effectiveness, efficiency
