Originally Posted by PaulBravey
4k? That'd be a luxury! I had a Sinclair ZX81 from '82, with it's huge 1k of memory and a touchpad keyboard. I think the original Timex Sinclair was a clone of the ZX81 developed for the export market.
I remember the time when I used an abacus. Zero RAM or ROM. Then I graduated to a slide rule. Still got it. Heaven knows why.