computer evolution
computercode 1.0 startup 1960-1962
computercode 1.5 1963-1965
computercode 2.0 1966-1968
computercode 2.5 1969-1972
computer 3.0 1973-1975
computercode 3.5 1976-1980
computer0alpha 1981Jan-1982Feb
Computer0 1983-1985
Computer1 1985-1987
Computer2 1988-1990