皮皮学，免费搜题
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【简答题】
听材料,回答问题。 1. What was the boy’s mother doing when the boy left her? A. She was trying on a dress. B. She was talking with a lady. C. She was buying a white cap. 2. What color are the boy’s pants? A. Light blue. B. Green and white. C. Black and white. 3. Where can the boy’s mother find him? A. At the gate of their house. B. At the clothing part. C. At the gate of the supermarket.
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皮皮学刷刷变学霸
举一反三
【单选题】时序逻辑电路中状态转移图中的状态个数,取决于:
A.
输入信号的个数，n个输入信号有2^n个状态。
B.
输出信号的个数，n个输出信号有2^n个状态。
C.
激励信号的组数，n组激励信号有n个状态。
D.
触发器的个数，n个触发器有2^n个状态。