https://mp.weixin.qq.com/s/Gh2xJJvfg1SlyuayK4LRyQ 二的补码指对二进制数的所有位数整体求补.二进制运算下0,1互为补数,n位二进制数a的补数为2^n - a The two's complement of an N-bit number is defined as its complement with respect to 2N. For instance, for the three-bit number 010, the two's…
https://mp.weixin.qq.com/s/zZTnDdbCUCRGGpgpfAZsYQ 一的补码指对二进制数的每一位分别求补(二进制运算下0,1互为补数),实际运算即为对每一位取反.最高位为符号位.n位二进制数a的一的补数为2^n - 1 - a. The ones' complement of a binary number is defined as the value obtained by inverting all the bits in the binary re…