A decision support system (DSS) is a computer program application that analyzes business data and presents it so that users can make business decisions more easily.
DSS present information graphically and may include an expert system or artificial intelligence (AI). It may be aimed at business executives or some other group of knowledge workers.
Typical information gathered:
Comparative sales figures between one week and the next
Projected revenue figures based on new product sales assumptions
The consequences of different decision alternatives, given past experience in a context that is described
MANAGERIAL DECSION MAKING
The nature of manager's work:
Interpersonal
Information
Decisional
PROCESS OF DECISION MAKING:
Defining the problem
Constructing a model that describes the real‐world problem
Identifying possible solutions to the modeled problem and evaluating the solutions
Comparing, choosing, and recommending a potential solution to the problem
WHY USE COMPUTERIZED SUPPORT FRO DECISION MAKING?
Speedy computations
Improved communication and collaboration - Increased productivity of group members
Improved data management
Managing giant data warehouses
Quality support
Agility support
Overcoming cognitive limits in processing and storing information