Lecture 2

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Department
Communication, Culture and Technology
Course
CCT355H5
Professor
Mike Jones
Semester
Fall

Description
CLASS TWO FOUNDATIONS OF BUSINESS INFORMATION SYSTEM TECHNOLOGY Data Information Knowledge Wisdom yData raw bits eg 0s and 1s many computer controls o Data is meaningless without information data organized into chunks that have semantic valuey Informationo Information makes sense of datay Knowledgeapplication of information to tasks and goals of value and importance o interpretation of informationo applying information to goals and tasks Ethical and political judgements regarding tasks of importance y Wisdomo mixed with data and informationo Not a replacement of knowledge Input Process Output IPO Model y Data is providedcomputer transforms ittransformed data is returned y Outputted data usually then become inputs for other processes feedback loops y arbage in garbage out GIGObadly formatted inputs break processes wrong inputs generate incorrect results y Whats garbage Depends on the problem y Inputtransformation processoutputoutcomey input must also be in the right format to prevent GIGO y Clear concise data to get the right answery Problemsincorrect format of datay F
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