Decision-support systems (DSS) support nonroutine decision-making for middle managers.
• DSS provide sophisticated analytical models and data analysis tools to support semistructured and unstructured decision-making activities.
• DSS use data from TPS, MIS, and external sources, in condensed form, allowing decision makers to perform “what-if” analysis.
• DSS focus on problems that are unique and rapidly changing; procedures for arriving at a solution may not be fully predefined.
• DSS are designed so that users can work with them directly; these systems include interactive, user-friendly software