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• Data is the raw material entered into
an information system.
• If the data collected is meaningless,
then the information will have no use
either. [Garbage in = garbage out
(GIGO)]
• Organisations need to ensure that
appropriate data is available at the
time of processing.
• 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 an
information system it is organised into
different data types.
• Data types include:
    • images
    • audio
    • video
    • text
    • numbers

• Information is an important factor in
an organisation’s success.
• Information will be valuable if it is:
    • relevant
    • accurate
    • timely
    • organised
    • cost-effective

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1.4) The nature of data and information

  • 1.
  • 2. • Data is the raw material entered into an information system. • If the data collected is meaningless, then the information will have no use either. [Garbage in = garbage out (GIGO)] • Organisations need to ensure that appropriate data is available at the time of processing.
  • 3. • 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 an information system it is organised into different data types.
  • 4. • Data types include: • images • audio • video • text • numbers • Information is an important factor in an organisation’s success.
  • 5. • Information will be valuable if it is: • relevant • accurate • timely • organised • cost-effective