题目内容：
调制解调器的功能是实现（ ）。
A．模拟信号与数字信号的转换 B．数字信号的编码
C．模拟信号的放大
D．数字信号整形
参考答案：
答案解析：
单选题：调制解调器的功能是实现（ ）。
- 题目分类：会计电算化
- 题目类型：单选题
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B．数字信号的编码
C．模拟信号的放大
D．数字信号整形
B．数字信号的编码
C．模拟信号的放大
D．数字信号整形
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