Information Systems: Data, Information And Knowledge

Cards explaining about the topic of data, information and knowledge.



Data means raw facts and figures, records of transactions.

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Data Capture

Data capture is the collecting of data and can be carried out in many different ways.

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Information is data which has been processed to give it a context which gives it meaning.

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Knowledge is derived from information by applying rules to it.

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Data frequently needs to be encoded when collected to enable effective processing.

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Advantages of encoding data:

  • Fewer transcription errors
  • Less time spent on data entry
  • Greater data consistency
  • Less memory required
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Problems associated with encoding data:

  • Coarsening of data
  • Value judgements- judgements based on a personal view
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