e1h+16h补码相加并求真值

日期:2015-04-29 16:18:26 人气:1

e1h+16h补码相加并求真值

若E1h, 16h 是两数的真值: 则 E1h +16h = F7 =247d . . 若E1h, 16h 是两数的补码: .....[x]补 =11100001b .....[y]补 =00010110b (+ -------------------------- .[x+y]补 =11110111b .[x+y]反 =11110110b .[x+y]原 =10001001b .......x+y = - 0001001b = -9d
    A+
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