The Importance Of Decision Support Systems

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Register to read the introduction… A decision support system uses data from internal and/or external sources (Stair & Reynolds, 2010). Internal sources of data might include sales, inventory, or financial data. Data from external sources could include interest rates, the cost of raw material such as flours, and fuel cost. Some decision support systems also include capabilities that allow you to create a model of the factors affecting a decision (O'Brien & Marakas 2009). With the model, you can ask what-if questions by changing one or more of the factors and viewing the projected results. Many people use application software packages to perform DSS functions. Using spreadsheet software, for example, you can complete simple modelling tasks or what-if …show more content…
Employees can perform tasks electronically using computers and other electronic devices (Melville, Kraemer, & Gurbaxani 2004). RTE could use such system for example, to update delivery schedules electronically to delivery personal. Office information systems use communications technology such as voice mail, videoconferencing, and electronic data interchange (EDI) for the electronic exchange of text, graphics, audio, and video which could be utilised to communicate to employees when working from …show more content…
Some examples of communication would be chat, email, and or blogs. Intranet Web publishing allows cumbersome corporate knowledge to be maintained and easily accessed throughout the company using hypermedia. Information that may be distributed by this means might be employee manuals, company policies, business standards and even training. Because this information can be updated online the most recent version is always available to employees using the intranet. This can promote a common corporate culture as every user is viewing the same information within the Intranet (Buhalis & O’Conner 2005). Intranets are also being used as a platform for developing and deploying applications to support business operations and decisions across the internetworked enterprise. Users can view information and data via web-browser rather than maintaining physical documents such as procedure manuals, internal phone list and requisition forms. This can potentially save the business money on printing, duplicating documents, and the environment as well as document maintenance overhead (Buhalis & O’Conner 2005).

When part of an intranet is made accessible to customers and others outside the business, then that part forms part of an extranet. Businesses can send private messages through the public network,

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