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Introduction to Information System (Types of IS (Executive Information…
Introduction to Information System
System Theory
Definition
Complex whole functioning that depends on its parts
Interactions between those parts
Characteristics
Communication
Boundaries
System, subsystem & super system
Engage in feedback
Goal-directedness
Fundamental Concepts
Basic Operation
Software
Process
Input
Output
Software
Application software
Specific
General
System software
Hardware
Types of IS
Executive Information Systems
Decision Support System
Management Information System
Office Automation System
Transaction Processing System
Expert System
Importance of IS to Organization
More info
Reduce costs
Improve performance
Stronger controls
Improve service
Important Individuals in IS
System user
System designer
System developers
System analyst
System owners
5 Main Components
Software
Data
Process
Hardware
Human