例2-19将N=(0.1011)转换为十进制小数 解:R1=(1/2)+1=15 R2=(15/2)+0=0.75 R3=(0.75/2)+1=1.375 N=(1375/2)+0=0.6875 (0.1011)=(0.6875)◼ 例 2-1-9 将 N = ( 0.1011 )二转换为十进制小数 解： R1 = ( 1 / 2 ) + 1 = 1.5 R2 = ( 1.5 / 2 ) + 0 = 0.75 R3 = ( 0.75 / 2 ) + 1 = 1.375 N = ( 1.375 / 2 ) + 0 = 0.6875 ( 0.1011 )二 = ( 0.6875 )十