The punched card - IBM
It was one of the earliest icons of the Information Age: a simple punched card produced by IBM, commonly known as “the IBM card.” The card itself was unassuming, a thin piece of stiff …
仅显示来自 ibm.com 的搜索结果The punched card tabulator
About 80 years prior, Joseph Marie Jacquard of France devised a way to …
Punched card - Wikipedia
A punched card (also punch card or punched-card ) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines.
Punched cards were widely used in the 20th century, where unit record machines, organized into data processing systems, used punched cards for d…Wikipedia · CC-BY-SA 许可下的文字一文了解穿孔卡片 - 知乎 - 知乎专栏
- 我在读一些关于早期编程语言历史的文章时，经常看到"穿孔卡片(punched card)"这个名词。但对现代计算机习以为常的我， 并不知道它是什么，它是怎么工作的以及为什么要用它。
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About 80 years prior, Joseph Marie Jacquard of France devised a way to use punched cards to automate steam-powered weaving looms. In the mid-1830s, English mathematician Charles Babbage developed plans for a computing …
Computer programming in the punched card era - Wikipedia
LET The description below describes an all-IBM shop (a "shop" is programmer jargon for a programming site) but shops using other brands of mainframes (or minicomputers) would have similar equipment although because of cost or availability might have different manufacturer's equipment, e.g. an NCR, ICL, Hewlett-Packard (HP) or Control Data shop would have NCR, ICL, HP, or Control Data computers, printers and so forth, but have IBM 029 keypunches. IBM's huge siz…
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打孔卡 - 维基百科，自由的百科全书
打孔卡，也稱穿孔卡（英語： Punched card ）又称霍爾瑞斯式卡或IBM卡，是一塊紙板，在預先知道的位置利用打洞與不打洞來表示數位訊息。 現在幾乎是一個過時的 存储器 ，但其設計轉 …
IBM Punch Cards - Columbia University
Programs and data were punched by hand on a key punch machine such as the IBM 026 and fed into a card reader like the IBM 2501. Large computing sites such as Columbia University purchased cards by the truckload and …
An Empire Built on Punched Cards - CHM Revolution
When IBM switched to 80-column cards with rectangular holes in 1928, many machines were reconfigured to the new standard, including this one. The Type 11 was the first electrically-powered IBM punch, which relieved operators from …
Punched card input/output - Wikipedia
An IBM 650 computer, introduced in 1953, came with the IBM 533 Card Reader/Punch, right. At many IBM 650 installations, punched cards and address 8000 on the console were the only …
打孔卡 - 百度百科
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。 现在几乎是一个过时的 存储器 ，但其设计转变成 …
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