Tuesday, September 2, 2008

Decision Support System (DSS).

Decision Support System (DSS).


Q1. Define Decision support system?


* Decision support system provides solution to the unstructured problem using system technique and models.
* Decision support system is a specialized Management information system designed to support an executive’s skill at all stage of decision making.
* Decision support system use decisions model and specialized database.
* Decision support system is the interactive computer based Information system.




Q2. What are the benefits of using Decision support system?


* The feature of well designed Decision support system is that it is Flexible to generate immediate Response to a variety of disjointed queries with the help of inbuilt formulas, functions, graphs etc.




Q3. What are the different components of Decision support system?


* Basic components are not predefined in Decision support system.
* However we generally use these components:-

1. DSS generator.
2. Model management system.
3. DBMS.
4. Dialog management system.



o DSS generator is the software used to develop Decision support system and coordinate its processing tasks.
o Model management system enables creation, maintenance and application of quantitative and statistical prototype to manipulate Decision support system data as per needs of Decision maker.




Q4. What are the different Decision support system analysis techniques
?

* Decision support system analysis techniques are:-

1. Statistical.
2. Operation Research.
3. What if analysis.
4. Goal- seeking.
5. Optimization.




Q5. What are the different statistical tools we used in Decision support system?


* Automated regression analysis.
* Automated correlation analysis.
* Analysis of variance.





Q6 what are the different Operation research tools?


* Linear Programming.
* Regression.
* Simulation. (To anticipate success levels).




Q7. Define “what if analysis”?


* It is the technique that enables decision making to reformulate a problem repeatedly until a feasible solution is achieved.




Q8. Define the Competitive strategy concept?


* Strategic information system is an information system that support or shape the competitive position and strategies of an enterprise.
* It can be any kind of information system.
* Competitive forces that shape the structured of competition in industry.




Q9. What are the different types of Competitions in industry?


* Rivalry of competitors within its industry.
* Threat of new entrants.
* Threat of substitutes.
* Bargaining power of customers.
* Bargaining power of suppliers.