Factorio Customizable Processing Unit. Allow to write any logic on low level machine code. The fCPU acts like a programmable microcontroller with a vector coprocessor that supports many useful instructions.
Mods introducing new content into the game.
Related to roboports and logistic robots.
Entities which interact with the circuit network.
Why?
"lol"
Take a look at this thread: https://www.reddit.com/r/factorio/comments/i8e7dh/new_mod_fcpu/g180613?context=3
Yes, I got it, thanks