31 Jul
2002
31 Jul
'02
8:31 a.m.
On Wed, 31 Jul 2002, Sellam Ismail wrote:
I have been unable to casually check the veracity of it, since I don't
have any of the older (larger) bills. I'm sure that somewhere google
could probably find the dimensions for comparison.
The physical
dimensions of the punched cards were chosen to match dollar
bills, so that the processing hardware could make use of existing
subassemblies. I don't know why that particular hole to hole spacing was
chosen, but that combined with the size of the cards resulted in 80
column.
Are you sure? A punch card is a bit larger than a dollar bill.