The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do.
Computers are hierarchical. We have a desktop and hierarchical files which have to mean everything.
They were saying computers deal with numbers. This was absolutely nonsense. Computers deal with arbitrary information of any kind.
In my second year in graduate school, I took a computer course and that was like lightening striking.
So in my uncertainty, I went to graduate school and there it all happened.