2. Transaction Processing Systems (TPS)
• A transaction process system (TPS) is an information
processing system for business transactions involving
the collection, modification and retrieval of all
transaction data. Characteristics of a TPS include
performance, reliability and consistency.
3. Transaction Processing Systems (TPS)
• TPS is used in recording daily business transactions
• TPS improves the efficiency of accounting operations
• TPS is used in recording several transactions such as
employee payroll
4. Transaction Processing Systems (TPS)
• Examples of Transaction Processing Systems
– Automated Teller machines
– Online ticketing system
– Reservation systems (Airlines, Car rental)
5. Office Automation Systems (OAS)
• Office automation system is an information system
which is computer based that collects, processes,
stores and transmits electronic messages. Word
processing, document imaging or calendar are some
of the applications used in the office automation
systems.
6. Office Automation Systems (OAS)
• Office automation refers to the use of sophisticated
electronic equipment and communication systems to
carry out the “electronic tasks” the tasks include
• Text processing,
• Data processing
• Information storage,
• Information retrieval and updating,
• Message distribution,
• Document transmission and reproduction,
• Teleconferencing.
7. Office Automation Systems (OAS)
• Examples of OAS
– Teleconferencing Systems
– Data processing systems
– Office support systems
8. Knowledge Work Systems (KWS)
• Knowledge work systems (KWS) serve the
information needs at the knowledge level of the
organization. Knowledge work systems aid
knowledge workers.
9. Knowledge Work Systems (KWS)
• Facilitates collaboration among workgroups
• Reduces training requirements
• Promotes business process perspective and
improvement
• Realizes productivity potential of technology
10. Knowledge Work Systems (KWS)
• Employee performance evaluation system
• Contract requirements and monitoring
• Monitoring budget execution
• Property usage reporting
11. Decision Support System (DSS)
• An application primarily used to consolidate,
summarize, or transform transaction data to support
analytical reporting and trend analysis.
12. Decision Support System (DSS)
• DSS aids managerial decision making
– Speedy computations
– Improved communication
– Improved data management
13. Decision Support System (DSS)
• Examples of DSS
– Product pricing systems
– Profitability forecasting systems
– Risk analysis system
14. Executive Support System (ESS)
• An Executive Support System (ESS) is a software that
allows users to transform enterprise data into quickly
accessible and executive-level reports, such as those
used by billing, accounting and staffing departments.
15. Executive Support System (ESS)
• ESS helps users to make executive level
summary reports from basic data such as
accounting.
• An ESS enhances decision making for
executives.
17. Group Decision Support Systems (GDSS)
• A Group Decision Support System (GDSS) is an
interactive, computer-based system that helps a team
of decision-makers solve problems and make choices.
GDSS are targeted to supporting groups in analyzing
problem situations and in performing group decision-
making.
18. Group Decision Support Systems (GDSS)
• Used in:
– Group activities
– Group discussion
– On-line meetings
19. Group Decision Support Systems (GDSS)
• Examples of GSS
– Microsoft Exchange
– Group Decision Room
– Meeting sphere
