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business_class.txt

why learn about information systems? .information systems used in most professions -sales representatives -managers -financial planners .Indispensable for achieving career goals introduction . information system (IS) - a set of interrelated components that collect, manipulate, and disseminate data and information, and provide feedback to meet an objective -businesses .can use inforamtion systems to increase revenues and reduce costs inforamtion concepts . information -one of an organizations's most valuable resources -often confused with the term data Data, Information, and Knowledge . Data -Raw facts . Information - collection of facts organized in such a way that they have value beyond the facts themselves Process - set of logically related tasks . knowledge -awareness and understanding of a set of information data, information, and knowledge (continued) data represented by alphanumeric data numbers,letters and other characters image data graphic images and pictures audio data sound, noise or tones video data moving images or pictures data -> the transformation process (applying knowleged by selecting organizing and manipulating data) -> information Note: the process of transforming data into information the characteristics of valuable information .If an organization's information is not accurate or complete - people can make poor decisions, costing thousands, or even millions, of dollars . Depending on the type of data you need - some characteristics become more valuable than others the value of information . directly linked to how it helps decision makers achieve their organization's goals . valuable information - can help people and their organizations perform tasks more efficiently and effectively system concepts . system - set of elemetns or components that interact to accomplish goals . components of a system - inputs - processing mechanisms - outputs - feedback system performance and standards . efficiency - measure of what is produced divided by what is consumed . effectiveness - extent to which system attains its goals . system performance standard - specific objective of the system input processing output feedback . input - activity of gathering and capturing raw data . processing - converting data into useful outputs . output - production of useful information, usually in the form of documents and reports . feedback - information from the system that is used to make changes to input or processing activities Manual and computerized information systems . an information system can be: - manual - computerized computer-based information systems . single set of hardware, software, databased, telecommunications, people, and procedures - that are configured to collect, manipulate, store, and process data into information . technology infrastructure - includes all hardware, software, databasses, telecommunications, people, and procedures . com