Types of Information Systems

Contemplative Questions What are the 4 types of information systems? What are the 4 types of information systems? How are they different? How are they different? Who are the primary users? Who are the primary users? How much data is being stored by each? How much data is being stored by each? How much data is being read (queried) by each? How much data is being read (queried) by each?

Types of Information Systems

Top Managers Middle Managers First-Line Managers Operatives 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)

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

Types of Information Systems and Systems Development Expert Systems (ES) Expert Systems (ES) Replicates decision making process Replicates decision making process Knowledge representation describes the way an expert would approach the problem Knowledge representation describes the way an expert would approach the problem 1.6