Τεχνικά χαρακτηριστικά Manufacturer Atari, Inc. (1979–1984) Atari Corporation (1984–1992) Release date November 1979 Discontinued January 1992 Introductory price US$550 (Atari 400, 1979) US$1,000 (Atari 800, 1979) Units sold 4 million Operating system Atari 8-bit OS CPU MOS Technology 6502B [...]