Managment Information System

25973 WordsOct 12, 2010104 Pages
SYSTEM CONCEPTS A system can be simply defined as a group of interrelated or interacting elements forming a unified whole. Many examples of systems can be found in the physical and biological sciences, in modern technology, and in human society. Thus, we can talk of the physical system of the sun and its planets, the biological system of the human body, the technological system of an oil refinery, and the socioeconomic system of a business organization. A system is a group of interrelated components working together toward a common goal by accepting inputs and producing outputs in an organized transformation process. Such a system (sometimes called a dynamic system) has three basic interacting components or functions: • Input…show more content…
This information system model highlights the relationships among the components and activities of information systems. It provides a framework that emphasizes four major concepts that can be applied to all types of information systems: • People, hardware, software, data, and networks are the five basic resources of information systems. • People resources include end users and IS specialists, hardware resources consist of machines and media, software resources include both programs and 5 procedures, knowledge data bases, resources and can include data and network resources include communications media and networks. • Data resources are transformed by information processing activities into a variety of information products for end users. • Information processing consists of input, processing, output, storage, and control activities. INFORMATION SYSTEM RESOURCES (i) PEOPLE RESOURCES People are required for the operation of all information systems. These people resources include end users and IS specialists. • End users (also called users or clients) are people who use an
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