Page 1 Page 2 ENIAC1946 EDIVAC-1949Page 3 UNIVAC I-951 IBM 701-1953Page 4 TRADIC-1955 BENDIX G15-1956Page 5 IBM 7090-1958 TRADIC-1955Page 6 UNIMATE-1961 CDC 6600 -1964Page 7 PDP8-1965 HP 2115-1966Page 8 KENBAK1-1971 Scelbi 8H-1974Page 9 APPLE I-1976 OSBORN I-1981Page 10 IBM PC AT-1984 Compaq Deskpro 386 -1986Page 11 MAC PLUS-1986 Acer Aspire-1996Page 12 IMAC-1998 PORTATIL XO-2005Page 13 MAC BOOK PRO-2006 HP PAVILION 2000-2007Page 14 ACER ARPIRE 4520-2008 HP Pavilion DV4-1100-2009