The Ur example of a bottom up computer would be the brain. It works on disparate unformatted inputs and can translate to a context appropriate output and while

The Ur example of a bottom up computer would be the brain. It works on disparate unformatted inputs and can translate to a context appropriate output and while there's no programming language for the mind (unless you want to stretch a bit and say speech) you can instruct one in the particular ways you want input manipulated into outputs.