1.  The transaction process system or the
TPS is an information system used by
businesses regarding transactions that
involve the collecting, modifying, and
the retrieval of all transaction data. The
TPS has three characteristics in
particular which is performance,
reliability and consistency.

2.  The TPS is mainly used by information
companies like IBM, AT&T, Oracle,
Unisys and many more.

3. Some of TPS examples are
▪ Transaction Processing Facility (TPF)
▪ Tuxedo
▪ Transaction Management eXecutive (TMX)

4.  The Office Automation System or the
OAS is a system that uses various
computers and software to digitally
create, collect, store, manipulate, and
give information that is needed by the
office workers to accomplish their daily
tasks.

5.  This system is mainly used by the office
force people.

6. Some Examples of Office Automation
system
▪ CRM
▪ OCR
▪ Automated distribution to email Document
review and publication work flow

7.  The Knowledge Work System or the
KWS is primarily the same as the OAS,
but they just serve different people.

8.  The Knowledge Work System is being
used by the knowledge workers like
scientists, lawyers, doctors, engineers
 People who’s job is primarily the
creation of new information and
knowledge.

9. Some examples of the Knowledge Work
System
▪ Virtual reality systems
▪ Investment workstations
▪ CAD/CAM systems

10.  The Decision Support System or the DSS
is a system that supports businesses or
organizations with decision making
activities.

11.  The DSS system is being used by many
people like doctors, agricultural,
construction, businessmen, bankers,
financial people and many more.

12. Some examples of the Decision Support
System
▪ Financenter (customizable calculators)
▪ Prudential Securities ( advice, strategies,
calculators)
▪ Almond Board (personalized fitness & nutrition
advice)
▪ AFAA (health evaluation, tips, news, answers)

13.  The Executive Support System or the
ESS is a system that helps senior
management make decisions that do
not involve programs in strategic
management.

14.  This system is mainly used by the
senior management people

15. Some examples of the ESS are
▪ Market reports
▪ Confidential information about competitors
▪ External databases

16.  The Group Decision Support System or
the GDSS is a system that helps a group
of people formulate a decision.

17.  Groups of people

18. An example of the GDSS is Decision
Support Systems as Information
Systems

19.  Electronic Meeting Systems at Work by Uday S. Murthy and L. Murphy Smith. The authors describe the guidelines and strategies for putting electronic meeting
systems to work and present details and comparisons on two of the available less expensive software packages.
 A Brief History of Decision Support Systems by D. J. Power - Editor, DSSResources.COM
 Hurricane Katrina: Redefining the Essence of Homeland Security (2005).
 2006 HICSS-39 Thinklets (Collaboration techniques and processes)
 2001 HICSS-34 Mini-Track Topics (Collaboration systems and technology)
 1996-GSS HICSS-29 Mini-Track Topics (Group Support Systems)
 1996-GUE (Groupware User Experiences)
 http://www.spilter.nl/
 The Decision Support System for Agrotechnology Transfer
 The Decision Support System for Agrotechnology Transfer
 http://www.tutorialspoint.com/management_information_system/executive_support_system.htm
 IBM Corporation. "CICS Transaction Server for z/OS, Version 3.2 Transaction processing". Retrieved Nov 12,2012.
 Jump up^ "Terminals Help Manage Aluminum Firm's Production". Computerworld. July 26, 1976. Retrieved November 14, 2012.
 Jump up^ UNISYS Corporation (2012). Transaction Server for ClearPath MCP Configuration Guide.
 Jump up^ Digital Equipment Corporation (1989). VAX ACMS Guide to Creating Transaction Processing Applications.
 Jump up^ Bell, Gordon. "Digital Computing Timeline (1985)". Retrieved November 15, 2012.
 Jump up^ Van Vleck, Thomas. "Multics Glossary -T-". Retrieved November 15, 2012.
 Jump up^ Transarc. "Corporate Overview". Retrieved November 16, 2012.
 Jump up^ IBM Corporation. "TXSeries for Multiplatforms". Retrieved November 16, 2012.
 ^ Jump up to:a b c Schuster, Stewart A. (June 15, 1981). "In Depth: Relational Data Base Management". Computerworld. Retrieved November 16, 2012.