On May 28, 2010, at 10:06 AM, Thorneycroft, Doug wrote:

> OK, I think I have you all beat on the early high tech front.
> Commodore VIC-20 with a whopping 5K memory, and a cassette player 
> for storage.

If you're going to be like that...
I had a MITS Altair 8800 with 256 bytes of memory, where you would step through 
memory to then toggle bits on and off via sense switches beneath LEDs.
I think we should stop there, rather than go back further, to desk calculators 
and comptometers. :-)

    Richard Sims