Download Types of Information Systems

Types of Information
Systems
Contemplative Questions
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What are the 4 types of information
systems?
How are they different?
Who are the primary users?
How much data is being stored by each?
How much data is being read (queried) by
each?
Types of Information Systems
From Systems Analysis & Design, 3rd ed., Hoffer, Valacich and George.
Exercise. Match the type of information system with the organizational
level where they are most commonly used:
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Transaction Processing Systems (TPS)
Management Information Systems (MIS)
Decision Support Systems (DSS)
Expert Systems (ES)
Top
Managers
Middle
Managers
First-Line
Managers
Operatives
Types of Information Systems
and Systems Development
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Transaction Processing Systems (TPS)
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Management Information Systems (MIS)
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Automate handling of data about business activities
(transactions)
Converts raw data from transaction processing system
into meaningful form
Decision Support Systems (DSS)
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Designed to help decision makers
Provides interactive environment for decision making
Types of Information Systems
and Systems Development
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Expert Systems (ES)
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Replicates decision making process
Knowledge representation describes the way
an expert would approach the problem