User interface requirements in communications - based train control systems 基于通信的序列控制系统中的用户接口要求
Ibm dedicates the first program - controlled calculator , the automatic sequence controlled calculator ( known best as the harvard mark i ) 1944年的今天, ibm制造出了首个程序控制的计算器,称作“自动序列控制计算器(最知名的叫法是“哈佛?马克一世) 。