This document defines and describes several types of information systems: Transaction Processing Systems (TPS) which process routine transactions; Office Automation Systems (OAS) which help with tasks like document creation; Knowledge Work Systems (KWS) which help knowledge workers complete cognitive tasks; Decision Support Systems (DSS) which help with decision making; Executive Support Systems (ESS) which provide analytics for executives; and Group Decision Support Systems (GDSS) which help groups collaborate on decision making. Examples are provided for some systems.

1. +
TPS
OAS
KWS
TYPES OF INFORMATION SYSTEMS
SYANDES
IGGY DE VERA
DSS
ESS
GDSS

2. +
TRANSACTION PROCESSING
SYSTEM (TPS)
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



3. +
TRANSACTION PROCESSING
SYSTEM (TPS) USED BY:

4. +
TRANSACTION PROCESSING
SYSTEM (TPS) EXAMPLES:
TELEPHONE
ACCOUNT SYSTEM

5. +
Office Automation Systems
(OAS)





6. +
Office Automation Systems
(OAS): USES



7. +
Office Automation Systems
(OAS): examples

8. +
KNOWLEDGE WORK SYSTEMS
(KWS)






9. +
KNOWLEDGE WORK SYSTEMS
(KWS): uses


10. +
KNOWLEDGE WORK SYSTEMS
(KWS): examples

11. +
Decision Support System (DSS)



12. +
Decision Support System (DSS)
USES



13. +
Decision Support System (DSS)
EXAMPLES:

14. +
EXECUTIVE Support System
(ESS)


15. +
EXECUTIVE Support System
(ESS): USES





16. +
EXECUTIVE Support System
(ESS): EXAMPLES
CAMBRIDGESYSTEMATICS
(ESS, INVESTMENTS)

MEDITECH (ESS
ACCOUNTING, REPORTS)

17. +
GROUP DECISION Support
System (GDSS)


18. +
GROUP DECISION Support
System (GDSS): USES

19. +
GROUP DECISION Support
System (GDSS):EXAMPLES