ENIAC1946 EDIVAC-1949

UNIVAC I-951 IBM 701-1953

TRADIC-1955 BENDIX G15-1956

IBM 7090-1958 TRADIC-1955

UNIMATE-1961 CDC 6600 -1964

PDP8-1965 HP 2115-1966

KENBAK1-1971 Scelbi 8H-1974

APPLE I-1976 OSBORN I-1981

IBM PC AT-1984 Compaq Deskpro 386 -1986

MAC PLUS-1986 Acer Aspire-1996

IMAC-1998 PORTATIL XO-2005

MAC BOOK PRO-2006

HP PAVILION 2000-2007

ACER ARPIRE 4520-2008

HP Pavilion DV4-1100-2009