There were IBM logos designed for the film, and there were IBM design consultants working with Kubrick on the layout of the controls and computer screens. ↗
Actors will never be replaced. The thought that somehow a computer version of a character is going to be something people prefer to look at is a ludicrous idea. ↗
But in fact, when you try to model that on a computer you find that because of the very structure of matter and of the chemical bonds that are the basis of every organism, evolution is not random at all. It will tend to follow certain paths. ↗