> Confusing myself as I thought about it, what category is a relay computer? > It's electric and I would say mechanical but then not sure if mechanical can > be electric. > Is it still analog?
It's digital, in the sense that it operates on data that is encoded into discrete values, as opposed to operating on continuous data elements, which would be analog. I would classify it as an electromechanical digital computer. Also, it's pretty neat, and I want one! -mike
