摘要
本文以IBM—系列微机的双机切换过程为主体,描述双机切换的物理过程,对IBM微机接口进行扩充,论述开关量接口和软件程序设计。
In this paper,the process of alternating system with two IBM micro computer is a main project. The paper describes the physical procedure of alternating system and introduces the developing interface and the applicating program.
关键词
双机切换
开关量
串行通信
编码
微机
接口
alternating system
switch data
series communication
collecting code
