[计算机基础]正数与负数的取反操作

「已注销」: 这个讲的正确 https://blog.csdn.net/liuxingyuzaixian/article/details/119304566?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522167378603016800182169251%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=167378603016800182169251&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~top_positive~default-1-119304566-null-null.142^v71^wechat_v2,201^v4^add_ask&utm_term=%E5%8E%9F%E7%A0%81&spm=1018.2226.3001.4449

字符串abc: -16的原码是(1001,0000)