Data, Information and Knowledge
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Data
Raw facts and figures
Data is meaningless without context.
Red, 123, M, Female, XL, 1.
Information
Data that has been processed so that it has context and meaning and is understandable to the user.
Data can be captured directly or indirectly.
Direct data capture is the collection of data for a given purpose. Barcode scanners, card readers, MICR and sensors are examples of data capture devices.
Knowledge
Knowledge is derived from information by applying rules to it. It is the interpretation of information.