pos机程序代码说明 当收银员刷商品的条形码时，光电扫描仪会接受条形码信息将其存入Barcode中， 然后有程序调用存储有商品条形码，商品名称，价格的数据库，将数据库 中的条形码和Barcode对比，当二者相同时输出商品信息。程序通过收银员 按下收银系统界面的“确认”键来确定购买的商品条形码全部输入电脑， 不再接收扫描仪输入，执行程序向终端（屏幕）输出顾客应付款金额等信息，同时 由打印机打印购物小票。-pos machine code instructions when

单片机键盘扫描程序伴有键盘消抖，简便易懂，适合初学者-SCM keyboard scanner with keyboard debounce and easy to understand for beginners

The TIFF file format was designed jointly by Aldus and Microsoft with leading scanner vendors to faciliate incorporating scanned images into publishing. The described TIFF specification is TIFF 5.0. A TIFF file consists of several different blo