23 Mar
2016
23 Mar
'16
1:12 p.m.
On Wednesday, 23 March 2016 at 18:02:29 +1100, Peter Jeremy wrote:
On 2016-Mar-23 17:49:19 +1100, Greg 'groggy'
Lehey <grog(a)lemis.com> wrote:
Ah, that's what Milo was referring to.
Greg
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They used to have big, mechanical machines for
sorting cards. What
did they call them? Collators?
Sorters:
http://www.columbia.edu/cu/computinghistory/sorter.html
You select a column and it sorts the cards into bins by the value of that
column. You then stack the cards out of all the bins back into the feed
hopper and sort by the next column. You'd need 8 passes to do a full sort
(given sequence numbers in 73-80).