参考链接：

《Two’s Complement Representation: Theory and Examples》

《Storing Integers: Unsigned and Two's Complement》

《Why two’s complement works》

《A Tutorial on Data Representation -- Integers, Floating-point Numbers, and Characters》

《Why computers represent signed integers using two’s complement》

《Positive and Negative Two Complement Numbers》

《Two's complement notes》

《Arithmetic for Computers: Chapter?III》

《Unsigned vs. signed integer arithmetic》

《2's complement - you beauty》

《原码、反码和补码》