On Mon, 25 Nov 2002, Mike Feher wrote:
> In the real early 60's I did build a simple machine that only added. It
> essentially consisted of discrete power transistors connected in
> cascading flip-flops. Each flip- flop went to a light on the front
> panel. The input device was a rotary telephone dial. It sure dazzled my
> friends and teachers at school. The input was in decimal form via the
> dial and the output had to be interpreted as it was in binary. My first
> experience with computers, if you can call it that. Regards - Mike
That's really cool! Especially that you used a rotary telephone dial for
the input. I was thinking that this would have been the perfect
low-tech, low-cost input device for a homebrew computer back at that
time.
Sellam Ismail Vintage Computer Festival
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Received on Tue Nov 26 2002 - 00:19:00 GMT