1. Describe how business uses information systems and provide some examples for each information system."
COMPUTER-BASED INFORMATION SYSTEMS
Information is a key resource for a business, so it must be organized systematically and managed correctly and carefully to help businesses make decisions, using information systems. Currently, there are six types of information systems arranged in three levels of management that system analysts might develop:
A. Lower management
1. Transaction processing systems (TPS)
B. Middle management
2. Management information systems (MIS)
C. Top management
3. Decision support systems (DSS)
4. Executive support systems (ESS).
D. All levels
5. Office automation systems (OAS)
6. Expert system or knowledge-based system