I'm curious, does the setup read and execute every single typed command it recieves, or does it analyze the commands entered within a set time period and simply

I'm curious, does the setup read and execute every single typed command it recieves, or does it analyze the commands entered within a set time period and simply choose the one that it recieved the most? Which system do you think would work better for such a setup? Is there a system that would work better for such a project?