Recorded facts and figures, raw data without context. E.g. 5, 12, 1990 are numbers without meaning
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Define information and give an example
Data that has been processed and given context, it is meaningful because it is interpreted data. E.g. the numbers 5, 12 and 1990 make up a data of birth (5th Dec 1990)
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What is meant by the term GIGO?
Garbage In, Garbage Out. The quality of output is determined by the quality of the input
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What are transcription errors?
A specific type of data entry error that is commonly made by human operators
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Define verification
Confirming the accuracy of information . These are put in place to prevent and reduce errors
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Define validation
The technique to check data is reasonable, sensible or complete. The data values must satisfy certain rules or criteria
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Give 3 examples of Validation checks
Presence check, Range check, Check digits
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Other cards in this set
Card 2
Front
Define information and give an example
Back
Data that has been processed and given context, it is meaningful because it is interpreted data. E.g. the numbers 5, 12 and 1990 make up a data of birth (5th Dec 1990)
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