Aplikasi modular aritmatik pada kode bar

Abstract

Bar Code is group of words that used to presents the message in one product to the tools (ussually called optic scanner), after. that processed in computer and finally results the message that has .been, translated. The types of bar_ code are bar code Codabar, bar code 2/5, bar code 2/5 interval, bar code 3/9, bar code 93, bar code 128 UCC/EAN 128, bar code EAN 8/13, PostNet, and UPC — A UPC E bar code. The method that used to read bar code is Arithmatic Modular Equality Method : (al ,u„a3,...,u„ a mod n The function of this method is to identify single error in form (al w„) a mod n, where 0<o, nl can be identified if and only if w, relatively primp to n and error of digit arrangement that closely related in forrin ... azai.o , . a ... ar tarn . . . . _identified if.and only if relativelyprime to n.