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In the old days, a designer working on an airplane wing handed a bunch of punch cards to the computer operator and waited a week to get back thousands of numbers on fanfold paper.

那时候,一个设计飞机机翼的工程师会把一大堆穿员,等上一个星期才能拿回来成千上万的数字,而且是写在复写纸上的。

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And for this reason, punch cards were used.

出于这个原因,使用了打

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Give me the punch card. No.

不。

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Well into the 1980s, almost all computers had a punch card reader.

进入 20 世 80 ,几乎所有的电脑都有一个阅读器。

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新世界交互英语

And punch cards were used by computer programmers as late as the 1970s.

而在20世70,计算机程序员使用片。

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Hollerith's machine used punch cards which were paper cards with a grid of locations that can be punched out to represent data.

Hollerith的机器使用打这是一种带有网格并用打来表示数据的纸

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99%不为人知的故事

You can draw a straight line from player piano rolls to punch cards and the first computer programs.

您可以从演奏钢琴卷轴到打和第一个计算机程序绘制一条线。

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During the 60's, banks started installing other electronic computers that replaced punch cards with magnetic disks or tapes that could hold tens of megabytes!

在 60 ,银行开始安装其他电子计算机,用可以容纳数十兆字节的磁盘或磁带替打

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A grueling 36-day Florida recount battle stemmed from problems with the state's punch card machines where poor ballot design left hanging chads on some ballots.

佛罗里达州进行了为期36天的艰苦的重新计票之战,原因是该州机的问题,糟糕的选票设计在一些选票上留下了悬挂的小角。

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Even long before computers became popular, he was punching cards and feeding them into the big mainframe computer at Ohio State University.

甚至在计算机流行之前很久,他就在打片并将它们输入俄亥俄州立大学的大型计算机主机中。

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科技 Crash Course

And punch cards weren't only useful for getting data into computers, but also getting data out of them.

片不仅对将数据输入计算机有用,而且对从计算机中提取数据也很有用。

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The pattern for each row of the cloth was defined by a punched card.

每排布的图案由定义

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The largest program ever punched into punch cards was the US Air Force's sage air defense system, completed in 1955.

上有史以来最大的项目是美国空军的鼠尾草防空系统,于 1955 完成。

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Which could suck in a single punch card at a time and write the contents of the card into the computer's memory.

它可以一次吸入一张,并将的内容写入计算机内存。

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If you loaded in a stack of punch cards, the reader would load them all into memory sequentially, as a big block.

如果您装入一叠片,读器会将它们作为一个大块依次加载到内存中。

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Its main control program was stored on a whopping 62,500 punch cards, which is equivalent to roughly 5 megabytes of data.

它的主要控制程序存储在高达 62,500 张打上,相当于大约 5 兆字节的数据。

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科技 Crash Course

Of course, even simple computer programs might have hundreds of instructions, which meant that programs were stored as stacks of punch cards.

当然,即使是简单的计算机程序也可能有数百条指令,这意味着程序是以一叠的形式存储的。

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科技 Crash Course

A programmer would write one at their desk, for example, on punch cards.

程序员会在他们的办公桌上写一个,例如,在打片上。

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科技 Crash Course

And early home computers made for the hobbyist market used switches extensively, because most home users couldn't afford expensive peripherals like punch card readers.

早期为爱好者市场制造的家用电脑广泛使用开关,因为大多数家庭用户买不起阅读器等昂贵的外围设备。

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科技 Crash Course

The processor, punch card readers, and printers were known and unchanging.

处理器、阅读器和打印机是众所周知的,并且没有改变。

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科技 Crash Course

At the end of a program, results could be written out of computer memory and onto punch cards by, well, punching cards.

在程序结束时,结果可以从计算机内存中写出并通过打写到打上。

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