Zusammenfassung der Ressource
Chapter 1 Mind map
- Data
- Consists of raw facts and figures
- fit for purpose
- accurate
- non-biased
- up to date
- Computers process data to produce information
- people use information to produce knowledge
- ICT methods require less human effort and produce faster and more reliable data than traditional methods. It is easier to keep information secure
- Data verification methods are used to minimise the risks of transcription errors
- Data validation checks are made to make sure that data is sensible.
- Range checks
- Presence checks
- Format checks
- Check digits