补码减法11001111-10000100的结果是_____________,结果_____________溢出

问题描述:

补码减法11001111-10000100的结果是_____________,结果_____________溢出

补码减法11001111-10000100的结果是=01001011
11001111-10000100
=11001111+(10000100)补
=11001111+01111100
=01001011