Hardware y Software By noeiaa Period: May 2, 1950 to May 2, 1969 Primera estapa del software Period: May 2, 1965 to May 2, 1975 Segunda etapa del software Period: May 2, 1975 to May 2, 1985 Tercera etapa del software Period: May 2, 1985 to May 2, 2000 Cuarta estapa del software Period: May 2, 2000 to May 2, 2016 Quinta etapa del software
