【摘要】 本文系统地介绍了以ＩＣ卡为媒介的ＰＯＳ售饭系统．它采用双机互补工作方式，主机与ＰＯＳ窗口机之间实时联网，该系统安全、准确无误、性能稳定可靠，实现了售饭管理的科学化和现代化．更多还原

【Abstract】 In this paper,the author introduces a POS system for selling meals with the media of IC card.It works in the mode of system failure tolerant based on transaction tracking principle.It provides the real time network communication between the server and the computer.This system has the properties of safty,accuracy and stability.Thus the management for selling meal work becomes scientific and modernized. [更多还原