Business support systems
Provide job-related information to users at all levels of a company
Management information systems (MIS)
Radio frequency identification (RFID)
What-if
Knowledge management systems
Called expert systems
Simulate human reasoning by combining a knowledge base and inference rules
Many knowledge management systems use a technique called fuzzy logic
User productivity systems
Technology that improves productivity
Groupware
Information systems integration
Most large companies require systems that combine transaction processing, business support, knowledge management, and user productivity features