Blinkenlights

From: Jgzabol_at_aol.com <(Jgzabol_at_aol.com)>
Date: Sat Feb 13 10:31:11 1999

Doug wrote:

<< It is possible that Berkeley got the idea from working on the Univac (in
 the late 40's, when it was being designed by EMCC). I suspect that the
 earlier relay machines also used lights to help debug faulty relays, but
 I'm really looking for when lights were first used for output and switches
 used for input, similar to the way a bunch of the mini front panels
 worked. (It may be that Simon was the first -- I dunno.)
>>

Just a few weeks ago I looked at the Harvard Mark I, and I know
very well the Zuse machines. No lights!

John
Received on Sat Feb 13 1999 - 10:31:11 GMT