Commodore PET

Personal computer system Commodore PETCommodore PET 2001ManufacturerCommodore InternationalTypePersonal computer (all-in-one)ReleasedJanuary 1977; 49 years ago (1977-01)Introductory priceUS$795 (equivalent to $4,200 in 2025)Discontinued1982; 44 years ago (1982)Units sold219,000Operating systemCommodore BASIC 1.0–4.0CPU6502 @ 1 MHzMemory4–96 KBStorageCassette tape, 5.25-inch floppy, 8-inch floppy, hard diskDisplay40×25 or 80×25 textGraphicsMonochrome PETSCII semigraphic charactersSoundNone or beeperSuccessorCBM-II 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, monochrome monitor, and, in early models, a cassette deck. Development of the system began in 1976, and it was demonstrated and sold as the first personal computer for the masses at the January 1977 Consumer Electronics Show. The name "PET" was suggested by Andre Souson after he saw the Pet Rock in Los Gatos, and stated they were going to make the "pet computer". It was backronymed to Personal Electronic Transactor. In a 1995 retrospective, Byte ma