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• Data is the raw material entered intoan information system.• If the data collected is meaningless,then the information w...
• Data will be appropriate if it is:    • relevant – useful to the purpose of the     information system     • accurate – ...
• Data types include:    • images    • audio    • video    • text    • numbers• Information is an important factor inan or...
• Information will be valuable if it is:    • relevant    • accurate    • timely    • organised    • cost-effective
1.4)   The nature of data and information
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1.4) The nature of data and information

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1.4) The nature of data and information

  1. 1. • Data is the raw material entered intoan information system.• If the data collected is meaningless,then the information will have no useeither. [Garbage in = garbage out(GIGO)]• Organisations need to ensure thatappropriate data is available at thetime of processing.
  2. 2. • Data will be appropriate if it is: • relevant – useful to the purpose of the information system • accurate – collected from a dependable source and entered without errors • timely – current, and kept up-to-date • secure – protected from deliberate and accidental damage or loss• When data is entered into aninformation system it is organised intodifferent data types.
  3. 3. • Data types include: • images • audio • video • text • numbers• Information is an important factor inan organisation’s success.
  4. 4. • Information will be valuable if it is: • relevant • accurate • timely • organised • cost-effective

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