Managing Information Systems In Organizations Essay

Managing Information Systems In Organizations INTRODUCTION In recent years, there has been an abundance of new technologies in the information systems field. These new technologies have altered the very development process itself. Information systems have gone from being a series of one level databases to three dimensional reality, virtual reality, and multimedia systems. In the early days of information systems, the demands were for data, with no real function of artificial intelligence. However, as the 21st century approaches, business has taken on an entirely different function, and the need for individual information systems has grown immensely. This demand for information technology is in all areas of business: corporations,†¦show more content†¦Data models were used for the first time to describe physical structures from a logical point of view. With this distinction between the logical and physical information, value systems were developed which could integrate all the data of a given application into one collection. The fourth generation consisted of relational databases and began in the 1980s, resulting in database systems that could store data redundancy free under a central control and in a clear distinction between physical and a logical data model. Systems based on relationship modeling occurred during this period of time. The systems based on relationship modeling are provided with a high degree of physical data independence and the availability of powerful languages. Less of the system is visible to the user, with changes taking place in the background. A shift from record orientation to set orientation marks this fourth generation. As of 1991, there was a fifth generation predicted, post-relational, which we are currently experiencing, and perhaps surpassing. Other applications can benefit from database technology. The development of extensible systems, logic-oriented systems, and object-oriented systems are part of this generation. R.G. Cattel speaks of the changes seen in the last fifteen years: â€Å"The past decade has seen major changes in the computing industry. There has been a widespreadShow MoreRelatedInformation Technology Systems Primary Responsibility1198 Words   |  5 PagesThe Information Technology systems primary responsibility is to maintain and sustain the organization network and communications operations. Although, they specialize in a particular field, they combine experiences and resources to support the IT department. The functional areas support the IT department which in turns support the organization’s mission, vision, and goals. 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