May 2014
Intermediate to advanced
350 pages
9h 55m
English
Content preview from Computing
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Calculating Machines ◾ 95
the cards. Each time an electrical impulse was sent, the appropriate dial
advanced incrementally.
e card reader was electrically attached to a card sorter that contained
several covered bins for sorting. Depending on the kind of statistics being
compiled, the sorter would automatically open the correct bin once the
card had been read, and the operator would drop the card into the bin,
going on to read the next card. Skilled operators could process thousands of
cards a day, making the Hollerith system an immediate success. e Census
Bureau was able to accurately complete the 1890 census data processing in
record time, and furthermore, for the rst time ever, statisticians were able
to use the data to compile new ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.