A.2490 B.2491 C.2492 D.2493
A.110l0l0ll B.l0ll11000 C.ll01l1000 D.l10ll0000
A.模擬數(shù)字B.十進(jìn)制數(shù)C.二進(jìn)制數(shù)D.抽象數(shù)字