Dual boot in Windows7

On Thu, 28 Jan 2010 18:01:30 -0800, Gene E. Bloch wrote:

On 1/28/10, Ken Blake, MVP posted:
On Wed, 27 Jan 2010 21:38:39 -0800, Gene E. Bloch
wrote:

On 1/27/10, Ken Blake, MVP posted:
On Wed, 27 Jan 2010 17:22:38 -0800, "Dabbler"
wrote:

"Ken Blake, MVP" wrote in message
news
BCD goes back to way before the 70s. My first use of it was in 1962,
when I started programming the IBM 1401.

Whoa, you must be even older than I! ;-)


I'm 72.


Wasn't that IBM 1401 used
primarily by banks to run reader-sorters?


No. It was a very low-end, but general purpose, computer. It ranged
from 1.4 to 16KB or RAM. In its day it was far and away the computer
that sold the most.

When I first started in computers, Fall '61,


That's almost exactly one year before me.


all the computers I knew
used the 1401 as an intermediary for sending data to the printers,
which were attached to the 1401.


Yes, it was commonly used for that in large Data Centers with big
mainframes.


It was a couple of years before I
realized that the 1401 was a computer in its own right, not a printer.
I never got to program for it, though.


Its use as a "computer in its own right" was actually far more common
that the other one.

Of course. But initially, I was not exposed to places that were doing
that. Basically, I handed a box of cards to someone at a window and
later got the cards and my printout back.

...I had no (well, very little) idea what they were doing behind my
back ;-)


BCD goes back much further than that, back to the late 1800 when Hollerith invented and used the
system in the US Census with the punched card system. His company went on to be come IBM.

An old retired IBMer.
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