摘要:
1.权12345.67 = 1 x 104 + 2 x 103+ 3 X 102 + 4 X 101 + 5 X 100 + 6 x10-1 + 7 x 10-210k 称为 该数字的权2.正码符号位在最高位。0为正,1为负 (+ 50)D = (0011 0010)原 (- 50)D = (1011 0010)原3。反码正数反码==原码本身 负数反码 == (最高符号为不变)该数原码各位求反 (+ 50)D = (0011 0010)反 (- 50)D = (1100 1101)反可知两个互为相反数 X反 + Y反 = (1111 1111)D = (FF)H4.补码正数补码==原码本身 . 阅读全文