POS terminal device
作者： Ryoichi Okiharu
DOI:
关键词: Memory segmentation 、 Computer hardware 、 Auxiliary memory 、 Commodity 、 Overlay 、 Bar (music) 、 Point of sale 、 Reliability (computer networking) 、 Code (cryptography) 、 Computer science
摘要: To improve reliability of a POS (point sales) terminal device, an internal memory umit is further provided in addition to two external units having PLU (price look-up) files. Therefore, even if develop trouble simultaneously, data (price, name, linked commodity section and so on) related sold are all read from the unit, whenever bar code through scanner, before implementing registration processing. The commodities unit updated processing implemented dependence upon normal unit.
lens.org 参考文章(2)
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Denis M. Blanford, Scanning control system for merchandise checkout ,(1985)