Presentation on theme: "Verification & Validation"— Presentation transcript:
1 Verification & Validation DATA . . .Verification&Validation
2 Objectives Keywords Identify types of data verification Identify types of data validationExplain the difference between data verification and validationKeywordsValidationVerificationData captureMs. Ngui Form 1 Term 21/2/2013
3 Data VerificationChecking of data to ensure that it was accurately transcribed or copied from the original storage mediume.g. flash drive > > computerTwo main :Visual checksDual inputMs. Ngui Form 1 Term 21/2/2013
4 Data Validation Checking of data for errors before actual processing. Used to determine data inaccuracies, incompleteness and unreasonablenessSome validation methods:Format check Parity checkLength check Check digitPresence check Data ~ type checkRange checkMs. Ngui Form 1 Term 21/2/2013
5 Summarize Verification Validation Checks to ensure data was accurately copied from the original storage medium into the computerHas 2 verification methodsChecks data for errors before actual processingHas > 7 methods of validationMs. Ngui Form 1 Term 21/2/2013
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