There is one button - "on". There is no program. The program is baked into the machine itself. The input data is carefully prepared and fed into the system. The

There is one button - "on". There is no program. The program is baked into the machine itself. The input data is carefully prepared and fed into the system. The machine then runs and spits out the output. That's it. You should think of it more as a piece of lab equipment rather than a computer.