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.
Here's a reference:
http://mathforum.org/library/drmath/view/52344.html
Looks like it's a least from the 1600s.
R
