选择题:●ASCII is a 7-bit code used to represent numeric,alphabetic,and special printable characte

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题目内容:
●ASCII is a 7-bit code used to represent numeric,alphabetic,and special printable characters.It also includes codes for control characters,which are (75) .

(75) A.printable or displayable

B.not printable or displayable

C.not printable but displayable

D.printable but not displayable




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