若以八位元的二補數(2’s complement)表示十進位數-21,以下何者正確?
(A)10010101
(B)11101011
(C)11101010
(D)11101001
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統計: A(11), B(68), C(17), D(14), E(0) #390818
統計: A(11), B(68), C(17), D(14), E(0) #390818
詳解 (共 2 筆)
#5424447

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#569827
21=00010101 1's=11101010 1's+1=11101011
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