ICT - Unit 4

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  • Created by: BethScott
  • Created on: 13-04-15 16:03
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  • Unit 4
    • Verification
      • Double Entry
      • Proof Reading
      • Sending back printouts
    • Validation
      • Range Check
      • Presence Check
      • Format Check
      • Check Digit
      • Fixed Value/Drop down
      • Data Type
    • How data errors can occur
      • Input
      • Transcription
      • Transposition
      • Transmission
      • Processing
    • Problems with data
      • Inaccurate Data
      • Invalid Data

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