Informaton Systems Essay Example | Topics and Well Written Essays - 1500 words

Informaton Systems - Essay Example This paper will present detailed analysis of two most popular business information systems. These systems are management information systems and decision support systems. According to (Turban, Leidner, McLean, & Wetherbe, 2005, p. 18), an information system collects, performs operations on collected data, stores, evaluates, and distributes information for a particular function. Similar to any other system, an information system consists of inputs (such as instructions and data) and outputs (reports, calculations) (Turban, Leidner, McLean, & Wetherbe, 2005, p. 18). And a decision support system (DSS) is an application or use of an information system that offers the users (management) with decision-oriented information when a decision-making state of affairs appears (Whitten, Bentley, & Dittman, 2000, p. 47). Below is a classical case of effectively implementation of DSS at Exxon Mobil Corporation, which took place long ago, (below case study) (Turban, Leidner, McLean, & Wetherbe, 2005, p. 550). This case outlines various key characteristics of a DSS. The risk investigation carried out first was based on the decision maker’s preliminary description of the circumstances, making use of a management science view. After that, the executive vice president, utilizing his knowledge, finding, and perception, thought that the model should be customized. The preliminary model, however mathematically accurate, was deficient. With a usual simulation system, an alteration to the computer program would have taken enough time; however the DSS offered a rapid analysis. Additionally, the DSS was elastic and approachable sufficient to facilitate managerial perception and finding to be included into the investigation (Turban, Leidner, McLean, & Wetherbe, 2005, p. 550): Exxon Mobil Corporation which is an oil and minerals organization located in Houston,