Write short notes on the following: Core capabilities of Decision Support System.

Core capabilities of DSS are: Representations: It includes the presentation of information in various forms such as graphs, charts, lists, reports (formatted or otherwise), and symbols. These representations are used as a control mechanism. Operations: It includes logical and mathematical manipulation of data. These operations involve gathering information, generating statistics, preparing reports, assigning risk and values, and generating alternatives using simulation, among other things. Memory Aids: It also provides functionalities for updating databases and memory, viewing data, managing work spaces, libraries, and establishing linkages among libraries and work places. Control Aids: It provides the user with facilities to control the activities of the DSS. This includes a language that permits user control over operations, representations, and memory. It also incorporates features like tutorials, help commands, function keys, and conventions.