The Commodore Vic-20 was Commodore's first attempt at a colour computer and its first machine in the all-in-the-keyboard format that became the norm. It was also the first computer from any manufacturer to sell more than a million units and can be seen as a technological forerunner to the [[Commodore 64]].
Its hardware is primarily composed of a [[6502]] processor, the Video Interface Controller ('VIC') graphics and audio chip and two [[6522]] timers. The base machine shipped with just 5.5kb of RAM.