9 Sep
2007
9 Sep
'07
11:16 p.m.
Mr Ian Primus wrote:
> Keeping things on-vintage, when were icons first
> used on PeeCee
> hardware?
...
- the power switch was typically marked with a 1 and
a
0 (of course, they were real switches too, none of
this soft-power stuff). And pushbuttons were typically
labeled with 1/0. Anyone know when this symbol got
established?
I'm of the impression the 0 and 1 for power switches is an IBMism, at least I
think I first saw it on IBM equipment perhaps in the 70s, before others
took up with it. Something makes me think I've seen it on IBM equipment
older than that as well.
0 and 1 never made much sense to me for the power switch, inasmuch as 0 and 1 can
refer to lots of things besides main power, and the 0 is typically more of
circle than a 0. 0 and 1? Circle and stick?