用个开关作为表决器的7个输入变量，输入变量为‘1’时表示“赞同”；输入变量为‘0’时表示不赞同。输出接到一二极管上，灯亮表示通过，灯不亮表示不同。采用行为描述的设计，用一变量count表示选举通过的总人数，即7个开关中按下的总数，如果count>3，则表示通过。-Using a switch as a voting machine seven input variables, input variables for the 1, said　agree　 input variables that do not agree to 0. Output from a diode, the light that passed, that the different light does not shine. Adoption of acts described in the design, with a variable that the election count the total number of adopted, that is, seven of the total number of switches in the press, if count> 3, is expressed through.