hi , i am uploading very useful slides in mis.

1. Decision Support
Presented by-
DEEPAK SHARMA
Deepak Sharma 1

2. Decision Support
• Decision Making and Information Systems
-Types of decisions, examples
- TPS, MIS, DSS
- Executive Support Systems
•Comparison of DSSs and MISs
Deepak Sharma 2

3. Types of Decisions
Deepak Sharma 3

4. TPS – Transaction Processing Systems
• Basic business systems that serve the organization’s
operational level
• Input: Transactions, events
• Processing: Sorting, listing, merging, updating
• Output: Detailed reports, lists, summaries
• Users: Operations personnel, supervisors
TPS database
Deepak Sharma 4

5. MIS – Management Information Systems
•Serve management level; provide reports and access to
company data
•Input: Summary transaction data, high-volume data, simple
models
•Processing: Routine reports, simple models, low-level
analysis
•Output: Summary and exception reports
•Users: Middle managers
TPS database
Deepak Sharma 5

6. MIS – Management Information Systems
Deepak Sharma 6

7. DSS – Decision Support Systems
• Serve management level with data analysis for making
decisions
• Input: Low-volume data or massive databases, analytic
models, and data analysis tools
• Processing: Interactive, simulations, analysis
• Output: Special reports, decision analyses, responses to
queries
• Users: Professionals, staff managers
Other
Data
Other
Data
TPS database
Deepak Sharma 7

8. Overview of a Decision-Support System
Figure 12-3
Deepak Sharma 8

9. DSS – Voyage Estimating System
Deepak Sharma 9

10. Selected DSS Applications
Deepak Sharma 10

11. Executive Support Systems
Other
Data
Other
Data
TPS database
• Provide communications and computing environment
that serves the organization’s strategic level
• Input: External and internal aggregate data
• Processing: Graphics, simulations, interactive
• Output: Projections, responses to queries
• Users: Senior Managers
Deepak Sharma 11

12. Executive Support Systems
Deepak Sharma 12

13. Putting Decision Support All Together
The 4 Major Types of Information Systems
Deepak Sharma 13

14. Comparison of DSSs and MISs
Deepak Sharma 14

15. Summary
Management Information Systems(MIS) - These
systems access, organize, summarize, and displayed
information for supporting routine decision making in the
functional areas.
Decision support system (DSS) - an organized collection
of people, procedures, software, databases, and devices
working to support managerial decision making
Group decision support system (GDSS) - also called a
computerized collaborative work system, consists of most
of the elements in a DSS, plus software needed to provide
effective support in group decision-making settings
Executive support systems (ESSs) - specialized decision
support systems designed to meet the needs of senior
management
Deepak Sharma 15

16. Thank you
Deepak Sharma 16