Ternary at a Glance

https://www.patrickseaman.com/beyond-binary-ternary-logic-shapes-next-gen-ai-hardware-led-by-drones

Some information is contained in the above link and it is an easy, quick read. For more details information refer to the links below.

https://www.ternary-computing.com/

https://en.wikipedia.org/wiki/Three-valued_logic

https://en.wikipedia.org/wiki/Three-state_logic