DECISION SUPPORT SYSTEM (DSS)

Meaning of DSS 

 The term decision support system (DSS) refers to a class of system, which support the process of making decisions. Decision support systems allow the decision maker to retrieve data and test alternative solutions during the process of problems solving 

Example :- financial planning systems

Group decision support system (GDSS)

According to Scott Morton “Decision Support System (DSS) as interactive computer based system, which help de ion makers utilize data and model to solve unstructured problems”. 

Features of decision support system

1.provide Report and presentation Fliexibility

2.provide Rapid access to information 

3.handle large amounts of data from different sources

4.offer both Textual and Graphical Orientation

5.Support Drill-Down Analysis

You can also read:- MANAGEMENT INFORMATION SYSTEM 

Function of DSS

1.what -if Analysis

2)Goal Oriented

3.Risk Analysis 

4.Model building

5)Graphical Analysis

Types of decision support system 

1.file drawer system 

2.Data Analysis systems

3.Analysis information system

4.Accounting Models

5.Representational models

6.Optimization Models

7.Suggestion Models

Components of Decision Support system

1)Data management sub-system:- the data management sub-system includes a database that contains relevant data for the situation and is managed by software

2)Model Management sub-System:-this is software package that include financial,management science or other quantitative models that provide the system analytical capabilities and appropriate software management.

3)User interface Sub-System:-the user communicates with and commands the DSS through this sub-system

4)knowledge-Based Management:-thus subsystem can support any of the other subsystem or act as an independent component .

Advantages of DSS

1.Improving personal efficiency 

2.increasing Organizational Control

3.Facilitating Communications

4.Improving problem solving

Disadvantage of DSS

1.Difficult

2.Slow

3.limited information sharing

4.Translation Problems

5.Require Extensive Knowledge 

Difference between MIS V/S  DSS