Topic 1 - Data, Information and Knowledge

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  • Data, Information and Knowledge
    • Data
      • raw facts and figures
      • No context
      • 5,600/5,788/ 5,462/5899
    • Information
      • Data processed
      • Context and Meaning
      • Baked bean sales over 6 monthd
    • Knowledge
      • Applying rules
      • Future stock numbers based on sales
    • Encoding
      • Advantages
        • Less effort
        • More data appears
          • Validation checks
      • Problems
        • Coarsens Precision
        • Compromise integrity of databases
        • Reliance on value judgements
      • Examples
        • Size of clothes
          • S=Small
          • M=Medium
          • L=Extra Large
          • XL=Extra Large
        • Airport Codes
          • LHR= London Heathrow
          • MAN= Manchester
          • RHO= Rhodes

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