data and information key words 0.0 / 5 ? ICTData and InformationGCSEWJEC Created by: Sacha HopkinsCreated on: 15-05-18 21:41 validation checks made by the computer to ensure data entered is 'sensible' 1 of 5 verification checks made to ensure data is entered 'correctly' 2 of 5 batch total a total calculated at start of transmission and at the end. if different then a mistake has occured. usually used with purposful data 3 of 5 hash total a total that has no meaning but can still be used as a check, e.g sum of telephone mumbers 4 of 5 coded data data that is coded is simpified for entry purposes e.g. m/f is male/female 5 of 5
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