It’s between technical and rational
The answer is D) Projector because with a projector, its in the name project so it can anything u put on their, and put it on a virtual screen that can be put on a wall, so everyone can see.
True they had to be developed in a special way in a dark room with several chemicals.
Assuming decoders with enabler.
input with rectangle is the ENABLE input.
wire with "/" on it is a bundled wire with multiple values to save drawing space.
In1 is MSB, In5 is LSB.
messy drawing as I'm in vehicle.