Adventures online

[Peter Corlett]

On Fri, Jul 24, 2020 at 12:59:51AM +0000, dwight via cctalk wrote:
> I would think to be a mainframe, it has to have a I/O processor. That is
> about all I can think of.

Contemporary PCs satisfy that description: GPUs are the most visible I/O
processor, and all of the other bus interfaces such as SATA and USB need at
least a microcontroller to speak the relevant protocol.

What is old is new again...