單項選擇題將8421BCD碼(001010001001)轉(zhuǎn)換成對應(yīng)的十進(jìn)制數(shù)是()

A.325
B.257
C.289
D.283


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2.單項選擇題將十進(jìn)制數(shù)(24)10轉(zhuǎn)換成8421BCD碼是()

A.00100100
B.00101010
C.100100
D.110010