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Types of Information Systems

Types of Information Systems. Contemplative Questions. 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.

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Types of Information Systems

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  1. Types of Information Systems

  2. Contemplative Questions • 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?

  3. Types of Information Systems From Systems Analysis & Design, 3rd ed., Hoffer, Valacich and George.

  4. Exercise. Match the type of information system with the organizational level where they are most commonly used: • Transaction Processing Systems (TPS) • Management Information Systems (MIS) • Decision Support Systems (DSS) • Expert Systems (ES) Top Managers Middle Managers First-Line Managers Operatives

  5. Types of Information Systemsand Systems Development • Transaction Processing Systems (TPS) • Automate handling of data about business activities (transactions) • Management Information Systems (MIS) • Converts raw data from transaction processing system into meaningful form • Decision Support Systems (DSS) • Designed to help decision makers • Provides interactive environment for decision making

  6. Types of Information Systemsand Systems Development • Expert Systems (ES) • Replicates decision making process • Knowledge representation describes the way an expert would approach the problem

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