Herb Chong wrote: > > hydraulic engineering. i had this explained to me by an IBM design engineer who > designed the externals of computer monitors. it was > a bunch of mechanical engineers who designed the symbols in the late 60's/early > 70's. the thought of ubiquitous computers and people > who understood them was not on their minds. binary 0 and 1 definitely for on and off > was not commonplace knowledge then and still > isn't.
You mean Off and On? <g> keith > Herb.... > ----- Original Message ----- > From: "Keith Whaley" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, February 27, 2003 07:43 > Subject: Re: *ist D photos > > > > Those are not O & I, they are 0 (zero ) and 1 (one). > > > zero = off, 1 = on. Very easy. > > > JCO > > > > Hardly intuitive, is it. > > In what parlance/language does "1" stand for "on?" Binary? On an A/C > > line power switch? > > And, if it was meant to be a zero, it should have had the slant bar > > thru it, like '0', to avoid just this sort of ambiguity. > > Hmmm. The electrical symbol for current is 'I'... > > Anyhow, it is a curiosity! > > > > Most ordinary humans do not think in terms of binary symbols when it > > comes to ordinary, everyday items like hardware power switches. My > > wall switches, even the toggle or rocker ones, do not have 1 and 0, or > > even I and O on them. > > > > keith > >
