What were punch cards and how did they change business?

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作者：

Grinyer P.H.

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来源：

ITNOW | 2021年 / 63卷 / 04期

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D O I：

10.1093/itnow/bwab127

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摘要：

Peter H. Grinyer MBCS shares his memories of punch cards, their uses, evolution and a family celebration. © 2021 BCS, The Chartered Institute for IT.

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页码：58 / 59

页数：1

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