BMGT301 -- Information Systems

BMGT301 -- Information Systems - Information Systems Dr. Z....

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Unformatted text preview: Information Systems Dr. Z. Karake BMGT 301 Information technology: the hardware and software a business uses to achieve objectives. Information system: interrelated components that manage information to: Support decision making and control. Help with analysis, visualization, and product creation. Data: streams of raw facts. Information: data shaped into meaningful, useful form. What Is an Information System? IS not only technology Raw data from a supermarket checkout counter can be processed and organized to produce meaningful information, such as the total unit sold of dish detergent or the total sales revenue from dish detergent for a specific store or sales territory. Information Systems Are More than Computers Activities in an information system that produce information; any systems is composed of four (4) components: Input Processing Output Feedback What Is an Information System? An information system contains information about an organization and its surrounding environment. Three basic activitiesinput, processing, and outputproduce the information organizations need. Feedback is output returned to appropriate people or activities in the organization to evaluate and refine the input. Environmental actors, such as customers, suppliers, competitors, stockholders, and regulatory agencies, interact with the organization and its information systems. Functions of an IS 8 The Components of an Information System Input: activity of gathering and capturing raw data Processing: converting or transforming data into useful outputs Output: production of useful information, usually in form of documents and reports Feedback: output used to make changes to input or processing activities 9 Input, Processing, Output, Feedback IT Infrastructure: Foundation or platform that information systems built on Computer hardware Computer software...
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This note was uploaded on 12/02/2011 for the course BMGT 301 taught by Professor Wang during the Fall '08 term at Maryland.

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BMGT301 -- Information Systems - Information Systems Dr. Z....

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