约定字长8位,举例如下: x = +2Fh = 0010 1111b [x]原 =[x]反 =[x]补 =0010 1111b =2Fh y = -5Ah = -0101 1010b [y]原 = 1010 1111b =AFh [y]反 = 1101 0000b =D0h [y]补 = 1101 0001b =D1h
约定字长8位,举例如下: x = +2Fh = 0010 1111b [x]原 =[x]反 =[x]补 =0010 1111b =2Fh y = -5Ah = -0101 1010b [y]原 = 1010 1111b =AFh [y]反 = 1101 0000b =D0h [y]补 = 1101 0001b =D1h
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