The Concept of the Infotmation System
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THE CONCEPT OF THE INFORMATION SYSTEM, THE ESTRUCTURE AND POSSIBLE REALISATION OF MANAGEMENT INFORMATION SUPPORT (LOAD) AT A BUSINESS FIRM.THE INFORMATION SYSTEM.THE CONCEPTFirst of all we have to know the differences between DATA and INFORMATION if we really want to understand the concept.DATA: Data are raw numbers or other findings which, by themselves, are of limited value.INFORMATION: Information is data that has been converted into a meaningful and useful context.The content of the information refers to factors such as the accuracy of the information and relevance of the information to a particular situation and user.Second we have to know what the SYSTEMS, can be defined as a collection of components that work together towards a common goal. The objective of the systems is to receive inputs and transform these into outputs.So with this concepts we can define INFORMATIC SYSTEM that is…The role of the information system is to provide information to management which will enable them to make decisions which ensure that organisation is controlled. The organisation will be in control if it’s meeting the needs of the environment. In relation to control systems can be classified into open-loop and closed-loop.A combination of hardware, software, infrastructure and trained personnel organized to facilitate planning, control, coordination, and decision making in an organization.
THE ESTRUCTURE OF AN INFORMATION SYSTEM.The structure of MIS can be described in terms of its operating elements, decision support, managerial activity, and  organizational fuction.PHYSICAL COMPONENTS. Hardware: which refers to the physical computer instrument and related devices performing various functions like input, output, secondary storage, CPU and Communication.Software: Which refers to the instructions given to the hardware to perform various operations.Database: Which is the collection of logically related and centrally controlled records containing various stored data.Procedures: Which include the set of instructions to the users, data preparation group, operating personnel, etc.Operating Personnel: they may be computer operator’s system analysts, programmers, data administrators, or data preparation personnel.MANAGEMENT INFORMATION SYSTEM.The definition of Management Information Systems (MIS) is a planned system of the collecting, processing, storing and disseminating data in the form of information needed to carry out the functions of management. The term usually refers to business operations not engineering