The Commodore PET is a line of personal computers produced starting in 1977 by Commodore International. A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, keyboard, computer monitor, and, in early models, a cassette deck.
Development of the system began in 1976 and a prototype was demonstrated at the January 1977 Consumer Electronics Show. A series of problems delayed production versions until December 1977, by which time the TRS-80 and Apple II had already begun deliveries. Byte referred to the three machines collectively as the "1977 trinity".
The PET design underwent a series of updates: more memory, better keyboard, larger screen, and other modifications. The systems were a top seller in the Canadian and United States education markets, as well as for business use in Europe.
.jpg "Olivetti Valentine"){kind=small}
