computer generation - The development of computers began in the late 1940s and early 1950s with huge mainframes that used vacuum tube technology.The second generation of computers were built with discrete transistors, from the mid-1950s through the mid-1960s.Third-generation computers were built using integrated circuits after the mid-1960s; during this time period, minicomputers were developed.
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дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://www.computeruser.com/resources/dictionary/definition.html;
