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BUSI 1402 Course notes

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Carleton University
BUSI 1402

1402 Review Information Systems IS is an integrated manmachine system for providing information to support the operations management and decisionmaking functions in an organizationThe system utilizes computer hardware and software manual procedures management and decision models and a databaseIi D S tWhereIinformation iinterpretation process Ddata Ssettingframe of reference and ttime available for the interpretationS in the equation is the result of the life experience of the individual Hence not every individual will receive the intended information even from simple data The infological equation has farreaching implications for the development of information systems and issues of knowledge information language and human interpretationThe design development and management of information technologies as well as their use by and impact on individuals groups and organizations Of particular interest are information technologies and their specific components that enable communication collaboration and decisionmakingKnowledge workers work with and produce information as a productInformation Systems activities focus on the effective and successful integration and use of information technology systems in organizationsRequires a broad understanding of information technology and the management strategy structure processes and information requirements of organizationsPuzzlesSet of circumstances in which there is no ambiguity whatsoever once some thought has been given to what is happening or needs to be doneMessesA set of circumstances in which there is extreme ambiguity and in which there may well be disagreementThere is a whole range of possible definitions and descriptions of what is going on and there may be no way of knowing whether a solution exists at allProblem Space initial current state the goal state and possible states in betweenProblem solving as an everyday activityPeople make decisions every day to solve problems that affect their livesProblems may beUnimportantwhat to watch on TVImportant choosing a new professionAnalysis Using data to make decisions depends on an organizations ability to collect organize and otherwise transform data into information that can be used to support those decisions Steps in Problem SolvingIdentify the problemUnderstand the problemIdentify alternative ways to solve the problemSelect the best way to solve the problem from the list of alternative solutionsList instructions needed to solve the problem using the selected solutionEvaluate the solutionProblems do not always have straightforward solutionsSome problems can be solved with a series of actions Algorithmic SolutionsBalancing a cheque book or baking a cakeOthers require reasoning built on knowledge and experience and trial and error Heuristic Solutions
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