题目的 ‘_45’正负号含糊.
若x = +45d =0010 1101b
[x]补 =0010 1101b
若x = - 45d = - 0010 1101b
[x]原 =1010 1101b
[x]反 =1101 0010b
[x]补 =1101 0011
题目的 ‘_45’正负号含糊.
若x = +45d =0010 1101b
[x]补 =0010 1101b
若x = - 45d = - 0010 1101b
[x]原 =1010 1101b
[x]反 =1101 0010b
[x]补 =1101 0011