4 Mar
2009
4 Mar
'09
8:18 p.m.
Is ANY of this discussion actually about buying paper tape? (other than
the first 3 messages)
Jim
Mike Loewen wrote:
On Wed, 4 Mar 2009, Chuck Guzis wrote:
Yep, about that size. What made no sense to me
is that each column
is BA8421 - 6 bits. This long after IBM had settled on 8-bit EBCDIC.
Most installations had standardized on the 80 column card, so it
didn't make much of a splash unless you were a System/3 installation.
Here's what the keypunch looked like for these little guys:
http://rlfranz.net/AmericanDistilling_DataProcessing/Images/Keypunch.jpg
Mike Loewen mloewen at cpumagic.scol.pa.us
Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/ 