A.電子管 B.晶體管 C.部件 D.繼電器
A.二進(jìn)制數(shù)有兩個(gè)數(shù)碼0和1 B.八進(jìn)制數(shù)有八個(gè)數(shù)碼0,1,2,3,4,5,6和7 C.十進(jìn)制數(shù)有十個(gè)數(shù)碼0,1,2,3,4,5,6,7,8,9 D.十六進(jìn)制數(shù)有十六個(gè)數(shù)碼0,1,2,3,4,5,6,7,8,9,10,12,12,13,14,15
A.十進(jìn)制數(shù)有十個(gè)數(shù)碼 B.二進(jìn)制數(shù)有兩個(gè)數(shù)碼 C.二進(jìn)制數(shù)逢二進(jìn)一 D.五個(gè)二進(jìn)制數(shù)等于一個(gè)十進(jìn)制數(shù)