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Whats the advantage of using the function check digit?

April 26, 2017advantage Check digit function

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Whats the advantage of using the function check digit?

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Barcode tends to have misdecoding problems, and users usally overlook it thus resulting to data loss. For a barcode system with all numeric digits contents, it is advisable to activate ‘check digit’ for re-swipe card warning at time of misdecoding.