参考答案:A
本题考查数字电路中计数器中移位型计数器的概念。移位型计数器中有两种常用的计数器,即环形计数器和扭环形计数器。
环形计数器的特点是:其进位模数与移位寄存器触发器的数目相等;结
第29题: [单项选择]What do we know from the coversation()
A. The woman knows where Lily is
B. The man wants to find Lily
C. Lily is in the next room
参考答案:B
答案解析:
[听力原文] M: Do you know where Lily is W: She was here. Hm... Try then next room.
我来回答:
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