I am sure you are saying something, MarkT, but I can't figure out just what.
MarkT:
Logic circuitry can be "active low" or "active high" as you choose - a signal can represent true/false either
way round so long as you use it consistently.
I appreciate the point about being consistent.
MarkT:
For switching the convenience of switching to GND is often the deciding factor as you have an otherwise
unconstrained choice
You speak of switching to GND - what else would you switch to?
Please bear in mind that this is a whole new world to me and I just don't understand what you are getting at.
Thanks