ITM 102 Lecture 1: ITM102-Chapter Notes
9 Mar 2017
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Document Summary
Data: raw facts, describe the characteristics of an event. Information: data converted into meaningful information and useful context. Organizational data and information come at different levels and formats, and granularities . Granularity: the extent of detail within the data and information. (fine and detail [detailed data spreadsheet] versus coarse and abstract [summary information in a word document]) The value of transactional data and analytical information. Encompasses all of the data contained within a single business process unit of work; Primary purpose is to support performing daily operational tasks. [analyzing daily figures and production schedules to determine how much inventory to carry] Primary purpose is to support the performance of higher level analysis tasks. [used when making important ad hoc decisions, whether the organization should build a new manufacturing plant or hire sales personnel] Real-time system: provides real-time transactional data and/or real-time analytical information in response to query requests. [do all total fields equal the true total of the individual fields?]
