Information Systems by kamranp1


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									Five Types of Information Systems

Information systems are constantly changing and evolving as technology continues to grow.
Very importantly the information systems described below are not mutually exclusive and some
(especially Expert Systems, Management Information Systems and Executive Information
Systems are can be seen as a subset of Decision Support Systems). However these examples are
not the only overlaps and the divions of these information systems will change over time.

At present there are five main types:

      Transaction Processing Systems (TPS)
      Decision Support Systems (DSS)
      Expert Information Systems (EIS)
      Management Information Systems (MIS
      Office Automation Systems (OAS)

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