试题内容
在异步通信中,每个字符包含1位起始位、7位数据位、1位奇偶位和1位终止位,每秒钟传送200个字符,采用DPSK调制,则码元速率为(1),有效数据速率为(2)。
(1)A.200波特
B.500波特
C.1000波特
D.2000波特
(2)A.200b/s
B.1000b/s
C.1400b/s
D.2000b/s
软题库参考答案:D、C(仅供参考)
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