PS/2 vs USB keyboards: performance and energy consumption
- by Mister Smith
As far as I know, PS/2 keyboards are interrupt driven, while USB are polled. Typically a PS/2 keyboard was assigned IRQ_1 on Windows.
I'm no hardware expert, but at a first glance seems like the PS/2 keyboards are more efficient. So here are my questions:
On modern day computers, are PS/2 keyboard better (or faster), and if so, would it be…