ASCII is a 7-bit code used to represent numeric, alphabetic, and special printable characters. It also includes codes for contro

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问题 ASCII is a 7-bit code used to represent numeric, alphabetic, and special printable characters. It also includes codes for control characters, which are

选项 A、printable or displayable
B、not printable or displayable
C、not printable but displayable
D、printable but not displayable

答案B

解析
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