Commodore Computer invented the Personal Computer (PC) in 1976. The Commodore PET designed by Chuck Peddle beat the Apple 1 to market by 6 months and Radio Shack TRS80 by 3 months making it the first Personal Computer in history. Nearly all mass market computers produced between 1977 and 1982 used the famous Commodore MOS 6502 CPU, including the Apple 1. Jack Tramiel