Information System for decision making

1. IS For Decision Making
SUBMITTED BY,
RAHUL KANEKAR

2. IS For Decision Making

4. 11-4
Transaction Processing Systems
Tracks operations
Creates databases
Also called data processing systems (DPS)

5. Transaction Processing System(TPS)
􀂄 Transaction Processing System(TPS)
A computerized system that performs and records daily
routine transactions necessary to the conduct of the
business
􀂄 TPSs are information systems that process data
resulting from the occurrence of business transactions.
􀂄 Example: payroll system; production instructions

6. 11-6
Accounting Activities
TPS
Sales order processing
Accounts receivable
Inventory control
Accounts payable
Payroll
General ledger

7. 11-7
Management Information Systems
MIS
Produces standardized reports
◦ Periodic
◦ Exception
◦ Demand
Uses databases
Integrates data across areas

8. Management information system (MIS)
􀂄 provides information for managing an organization
􀂄 Extract and summarize data from TPSs
􀂄 Allow managers to monitor & direct the organization
􀂄 Provide accurate feedback
􀂄 Provide pre-specified reports on a scheduled basis
􀂄 Top managers make strategic decisions
􀂄 Middle managers make tactical decisions
􀂄 Line managers make operations decisions
􀂄 Knowledge workers create and integrate knowledge
􀂄 Clerical workers use and manipulate information

9. 11-9
Decision Support Systems
DSS
Enables managers to get answers to problems
Group decision support system (GDSS)
◦Supports DSS
◦Addresses large problems
Analyzes data

10. Decision support system (DSS)
an interactive information system that provides information, models,
and data manipulation tools to help make decisions in semi-
structured and unstructured situations
􀂄 Support analytical work
􀂄 Simulation and Optimization
􀂄 Simulation model –calculates the simulated outcome of tentative
decisions and assumptions
􀂄 Optimization model –determine optimal decisions based on
criteria supplied by the user, mathematical search techniques, and
constraints

11. 11-11
DSS Parts
User
◦ Someone who makes decisions
◦ Could be you
System software
◦ Operating system
◦ Easy to use
Data
◦ Internal & external
Decision models

12. 11-12
Decision Models
Strategic models
Tactical models
Operational models

13. 11-13
Executive Support Systems
ESS
Designed for top management
Consists of sophisticated software
Access about a company's performance

15. THANK YOU