ICT WJEC AS notes - Topic 1

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  • Data - raw facts and figures or a set of values
  • Information - Consists of processed data or data with a context
    • Methods of processing:
      • Performing caluculations
      • Making decisions
      • Sorting
      • grouping
      • Organising
  • Knowledge - Is derived from information by applying rules to it

Encoding data

Data is often encoded during collection or input. There are several reasons for this:

  • Takes less effort to type in
  • More data can appear on screen
  • Takes up less storage space
  • Easier to check via…


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