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The punched card - IBM
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
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查看全部The punched card tabulator | IBM
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
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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
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