>>>> "Sridhar" == Sridhar Ayengar
<ploopster at gmail.com> writes: 
 > What about Siemens?  That's older than IBM.  I
used one of theirs,
> years ago... 
 Sridhar> They were making electronics, but when did they start making
 Sridhar> computers?
I don't know.  I used a Siemens minicomputer around 1972.  It was
driving an ultra-accurate flatbed plotter (with servo motors, not
steppers).
The only detail I remember about it is that it used hex, with digits
0-0 and B-G.
    paul