ALU - Arithmetic & Logic Unit.The part of a computer's central processing unit which performs arithmetic operations on integers, and Boolean operations.Floating-point operations are handled by a separate floating-point unit. 2.(Association of Lisp Users).An international user group for the Lisp programming language.; дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр http://www.computeruser.com/resources/dictionary/definition.html;