已知：X =＋0.0111、Y =＋0.1001 列出竖式、并用变形补码计算 [ X+Y ]补和[ X -Y ]补，并判结果是否溢出

Question

已知：X =＋0.0111、Y =＋0.1001
列出竖式、并用变形补码计算 [ X+Y ]补和[ X -Y ]补，并判结果是否溢出

Answer 1

解：
X+Y=+0.0111+0.1001
=0.1112
X-Y=+0.0111+0.1001
=-0.089