File:PunchedCardsAnalyticalEngine.jpg

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Punched cards for programming the Analytical Engine, 1834-71

"Babbage intended to use punched cards to feed instructions and data into the Analytical Engine. The smaller cards are 'Operational Cards' which specify the mathematical operations to be performed - multiplication, division, addition or substraction. The larger cards are 'Variable Cards' which dictate where the numbers to be operated on are found in the machine and where the results should be placed."

Science Museum, London
Date
Source originally posted to Flickr as Punched cards for programming the Analytical Engine, 1834-71
Author Karoly Lorentey
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This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 20 October 2010, 14:34 by Liftarn. On that date, it was confirmed to be licensed under the terms of the license indicated.
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20 December 2004

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current20:04, 20 October 2010Thumbnail for version as of 20:04, 20 October 2010400 × 693 (51 KB)wikimediacommons>Flickr upload botUploaded from http://flickr.com/photo/25246181@N00/43762220 using Flickr upload bot

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