The Altair 8800 was a basic 8-bit computer released in 1975 that did very little in the way of computing.
He was best known for creating the first commercially available portable computer, the Osborne 1, released in April 1981.
These computers, released in 1979, are technically earlier "screen savers."
The first computer released by Cromemco was the Z-1 in August 1976.
The Casio PB-1000 was a hand-held computer released by Casio in 1987.
The SV-318 was the basic model of the Spectravideo range of computers, released in 1981.
Another early portable computer released in 1982 was the Kaypro.
Most tablet computers released since mid-2010 use a version of an ARM processor for longer battery life versus battery weight.
The Tablet S (formerly named S1) is the first tablet computer released by Sony.
The Amiga 2000, or A2000, is a personal computer released by Commodore in March 1987.
