4 ms·
https://en.wikipedia.org/wiki/Channel_I/O https://en.wikipedia.org/wiki/Channel_I/O
by theg5prank 6y ago
https://en.wikipedia.org/wiki/Channel_I/O https://en.wikipedia.org/wiki/Channel_I/O
- rusk 6y agoThanks, had to do a bit of digging on from there. This is more illustrative https://en.m.wikipedia.org/wiki/IBM_709 https://en.m.wikipedia.org/wiki/IBM_709 Basically it’s the forebear of the “switch”