Computer Science 1032A/B Study Guide - Final Guide: Missing Data, Data Quality, Information System
30 Mar 2022
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COMPSCI 1032A/B Full Course Notes
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Processed data: that has been organized and processed to be meaningful to a person (or other information system) who (or which) will use it: another definition of information is anything that reduces uncertainty. Using information derived from data to support conclusions. A means to end, not an end unto itself (you) Note: some people discuss wisdom (common sense) as being above these three levels. But this can not be taught or even explained (rare indeed) Data is processed into information in 2 types of activities: Computation: creates information by carrying out a predefined process on two or more data items. Comparison: selects processing steps on the basis of data in an information system. Example: comparing the difference between the youngest and oldest students in cs1032. Data not integrated: important data points left out. Regardless of the quality of the comparison or computation. *exam* is it okay to do the comparison without looking at the quality of the data *exam*
