Fichas
validation and verifitcation
Fichas del conjunto (4)
- 1Why is validation and verification used?Verification and validation techniques can be used to cut down errors when entering data into the computer.
- 2Validation, verification and errors- Data might be collected and recorded wrongly
- Data might be entered into the computer incorrectly
- Processing of the data may cause errors
- Stored data may be deliberately or accidentally changed
- Data transmitted from one computer to another could become corrupted. - 3Data validation definitionValidation is an automatic computer check to make sure that the data entered is sensible and reasonable. It does not check the accuracy of data.
- 4what does data valdation check?It checks;
data is entered in the correct format
data is sensible
data entry mistakes are kept to a minimum