And 40+ years on, our modern supercomputers-in-pocket can't do what these early machines could:

Flick 'em on, wait 1 or 2 seconds, enter code & run it.

Pathetic.

Well you could always run that BASIC that can run as an EFI application. It's not like VB/DOS, though.

* https://news.ycombinator.com/item?id=49953027