Radio Shack TRS-80 Model I Level I (1977-1981) Virtual high-resolution 14-inch screen capable of

high-resolution 14-inch screen capable of displaying 132 columns of text

" it was RCA's strategic counterstrike against Sony’s Betamax

The Triplett 3423

the 962 cut costs by offering 2MB of internal storage instead of 4MB

Radio Shack TRS-80 Model I Level I (1977-1981) Virtual high-resolution 14-inch screen capable ofRadio Shack TRS 80 Model 1 First Mass Market, Fully Assembled Personal Computer Sold at Retail The Radio Shack TRS 80 Model I, affectionately dubbed the "Trash 80" by enthusiasts and rivals alike, was one of the "1977 Trinity" of computers that sparked the home computing revolution. Launched for $599a price point that undercut the Apple II and Commodore PETthe Model I was powered by a 1. 77 MHz Zilog Z80 processor and initially came with just 4K of