NowtAdminCase Studiesmodule1Module2Module3Module4Module5Module6Glossary

  
nowtCapturing DataVerification and ValidationOrganisation of DataCapabilities of SoftwareProcessing DataDisemination and distributionHardwareSecurity of dataNetwork enviromentsnowt
endErrorsVerificationValidationTransactionsBatch ProcessingInteractive ProcessingChoice of MethodQuestionsend
 

Module IT0202

Verification and validation examines the types of checks that can be made on data in order to ensure that the data collected is as accurate and correct as possible.

Specification:

2.2 Verification and validation

  • Understand the distinction between accuracy of information and validity of data.
  • Explain possible sources and types of error in data capture, transcription, transmission and processing. Describe methods of preventing and reducing such errors.
  • Describe appropriate validation techniques for various types of data processing, from data capture to report generation.

Module Content:

  1. Types of error
  2. Verification
  3. Validation
  4. Transactions
  5. Batch Processing
  6. Interactive Processing
  7. Which Processing mode?

Additional Information:

AS Level ICT P. M. Heathcote Chapter 16 p85 - p90
ICT Through Diagrams A Gardner p20-21
   

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