Computer From Transistors Part 3 - Multiplexers

In order to build a complete functional memory unit for the transistor computer I'm building, we need multiplexers. So I design one using as few transistors as possible, and build it on a breadboard. Link to part 1: https://youtu.be/GStQVwYmkjA Link to part 2: https://youtu.be/eunjTdvHu74