Primary purpose of this lecture is to presentation on Decision Support System. A decision support system can present information graphically and could include an expert system or artificial intelligence. It may be aimed at business executives or other sorts of group of knowledge personnel. A decision support system (DSS) is often a computer program application which analyzes business data and presents it so that users can make business decisions more easily. It is an “informational application” which collects the data during normal business operation. Finally explain DSS Characteristics and capabilities and Development Frameworks.