單項(xiàng)選擇題
計(jì)算下列補(bǔ)碼表示的二進(jìn)制數(shù)運(yùn)算,并將結(jié)果轉(zhuǎn)換為十進(jìn)制數(shù)真值: (1)11100110-10101100 (2)01110100-00011101
A、00111011B 59D, 01010111B 87D
B、00111010B 58D ,01010110B 86D
C、00111011B 59D ,01010110B 86D
D、00111010B 58D ,01010111B 87D