将二进制1111.11转换成十进制。写出具体步骤
将二进制1111.11转换成十进制。写出具体步骤
日期:2014-06-18 10:21:09 人气:2
(1111)2
=((((0*2+1)*2+1)*2+1)*2+1)10
=(((1*2+1)*2+1)*2+1)10
=((3*2+1)*2+1)10
=(7*2+1)10
=(15)10
(0.11)2
=((1/2+1)/2)10
=((0.5+1)/2)10
=(1.5/2)10
=(0.75)10
(1111.11)2=(15.75)10