-> We used breadboards, with logic chips, and LEDS.  Hooked up OR, AND,
-> NOR, etc chips in various ways, According to your equation, your
-> lights would light up differently.  Seriously, I didn't get truth
-> tables, etc. until I'd lit up a bunch of the little red lights.
I've not heard of "breadboards" before. Where could I locate such items?
Are you using these this year in your class?
Sheila
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