That would be an Ergonomic keyboard, due to the fact that it is laid out in such a way that doesn't harm your wrists
Answer:
optical
Explanation:
The earliest of these was the magnetic device. Computer systems began with magnetic storage in the form of tapes (yes, just like a cassette or video tape). These graduated to the hard disk drive and then to a floppy disk.
High middle ages is the answer
Good question. When one Endorces or "Hires/ payes" someone again for a job/thing they did. I think. :)
You can login in root terminal and then type #sudo Zach