打孔卡又称穿孔卡、霍列瑞斯式卡（Herman Hollerith）或IBM卡，是一块纸板，在预先知道的位置利用打洞与不打洞来表示数字消息。
它的首要用处之一，是将打孔卡（punched card）的输入显示进去。那时，最风行的打孔卡是IBM公司出产的80栏打孔卡，每栏为一个字符，80栏便是80个字符。
基于5107个网页-相关网页
打孔卡 punched card ; Punch Cards ; die cut card ; Punch card 打孔钻 perforating bur 打孔带 vtape,punch ; tape, punched paper ; perforated tape ; YXCT ..
基于1个网页-相关网页
打孔卡片纸 punched acrd ; punch card paper ; perforaled card
逆缘打孔卡 Edge-Punched Card
边缘打孔卡 verge-perforated card ; edge punched card ; margin-perforated card ; verge-punched card
打孔卡片系统 PCS ; punched-card system
发明了打孔卡片制表机 Tabulation Machine
人工操作打孔卡 hand operated punch card
打孔卡输入装置 punched card input device
织布机的控制装置由硬打孔卡和吊钩组成。
The loom is controlled by a system of stiff punch cards and hooks.
采用二进制的打孔卡出现了。
Punched CARDS were invented, which marked the beginning of binary representation.
使用打孔卡指示、控制一套装置成为计算机编程的基础理念。
The idea of using punch CARDS to instruct and control a system became the basis of computer programming.
应用推荐