Information System consists of physical components like hardware, software, database, procedures and people operating these components which interact to support the operational, managerial, and decision-making information needs of an organization. So, an information system is the means by which data flows from one person of department to another. An information system accept data from the user, process this data to produce information and achieve knowledge.

Data is a collection of facts, figures, statistics which can be processed to produce meaningful information. A process involves collecting, capturing, sifting, rearranging, calculating, comparing, decision-making, storing, retrieving, reproducing and transporting of data. Information is processed data. It refers to facts, figures or statistics that have meaning. It can become data or input for another process. Information which is known and verified is knowledge and this knowledge which is relevant and useful in any given situation which anticipate events helps the business move in the right direction taking the correct decision at the right points in time is known as business intelligence.

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