Not much different from a relay computer really, I
suppose.
Just slower.
And more sandy.
And relay computers don't like salt water, but administrators might.
Hmmm, seaside computing. I think we hit on something.
I'm waiting for someone to invent a display that can be used
in direct sunlight, so I don't have to work in what is
affectionately called the 'coffin' aka 'caravan by the sea
with windows blacked out'.
When will that be...?
Talk to me goose.
Done! See, that was easy.
Braille terminals. The have a bed of pins and set the state of each pin
(up or down) as needed. Or use a text-speech converter.
I helped a blind guy fix his computer once, he used a soundblaster and a
text-speech program. It "spoke" so fast I had no idea what it said but
he could follow it just fine.