I found program counter to be more advanced in my redstone adventures as it requires clock sync for rest of the components of the computer. I am happy to build the 8 bit ALU presented in the application and go through all functions.
This application has been accepted! Whenever both you and a staff member are free, feel free to ask them for a trial. You are able to try again after failing and waiting 24 hours. It is always recommended to do a practice trial with another member before starting your real one.