單項(xiàng)選擇題ASCII碼42H所代表的字符應(yīng)為()

A.‘5’
B.‘A’
C.‘B’
D.‘G’


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1.單項(xiàng)選擇題補(bǔ)碼25H的真值是()

A.25
B.-25
C.-37
D.37

2.單項(xiàng)選擇題十進(jìn)制-37對(duì)應(yīng)的二進(jìn)制原碼是()

A.10011110B
B.10100101B
C.11100000B
D.11100001B