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Description
Flashcards by Sophie Wheeler, updated more than 1 year ago
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Created by Sophie Wheeler
over 8 years ago
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| Question | Answer |
| Why is validation and verification used? | Verification and validation techniques can be used to cut down errors when entering data into the computer. |
| Validation, 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. |
| Data validation definition | Validation is an automatic computer check to make sure that the data entered is sensible and reasonable. It does not check the accuracy of data. |
| what does data valdation check? | It checks; data is entered in the correct format data is sensible data entry mistakes are kept to a minimum |
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