單項(xiàng)選擇題十進(jìn)制數(shù)98的BCD8421編碼是()

A.1100100
B.10011000
C.1101000
D.01011000


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1.單項(xiàng)選擇題十進(jìn)制數(shù)86的二——十進(jìn)制編碼是()

A.10000110
B.10000010
C.01010110
D.10101001

2.單項(xiàng)選擇題下列哪一種是字符編碼系統(tǒng)()

A.ASCII碼
B.BCD碼
C.8421碼
D.余3碼

3.單項(xiàng)選擇題十六進(jìn)制數(shù)1000H化成十進(jìn)制數(shù)為()

A.1000
B.4096
C.16000
D.1028

4.單項(xiàng)選擇題十六進(jìn)制數(shù)100H化成十進(jìn)制數(shù)為()

A.100
B.1600
C.110
D.256

5.單項(xiàng)選擇題數(shù)6EH化成十進(jìn)制數(shù)為()

A.100
B.90
C.110
D.120