题目内容

选出拼写正确的选项。

A.martch
B.march
C.metch
D.meatch

查看答案
更多问题

同步触发器的状态更新时刻:受CP输入控制。

A. 对
B. 错

同步RS触发器的触发方式是

A. 边沿触发
B. 主从触发
C. 电平触发
D. 下降沿触发

关于同步RS触发器的描述不正确的是()。

A. 输入信号R和S为低电平输入有效
B. 在CP=1期间,由R和S端信号决定触发器的输出状态。
C. 在CP=0期间,G3、G4被封锁,触发器状态不变。
D. 同步触发器存在空翻现象

Fill in the blanks with the words given below.Change the form where necessary.diverseregulatereinforcesurveyadjust1.You should ___ your speed to suit the driving conditions.2.The boy is only 6 years old, but his interests are very___.3.A stronger European Parliament would, they fear, only___the power of the largercountries.4.The reporter is doing a ___of public attitudes.5.The powers of the European Commission to__competition are increasing.

答案查题题库