Yep. But of course security was not a concern with the machines of the era. At all. There wasn't even the concept beyond locking the entire computer away in

Yep. But of course security was not a concern with the machines of the era. At all. There wasn't even the concept beyond locking the entire computer away in a cabinet. For the most part a virus couldn't hurt your machine or survive a power off, although there are a few machines of the era with buggy "killer registers" that you could set that would cause a malfunction serious enough that could burn out some part of the machine.