题目内容

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

查看答案
更多问题

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.

素质综合测评得分中,实践与创新素质得分占( )。

A. 10%
B. 15%
C. 20%
D. 5%

素质综合测评得分中,学业成绩占( )。

A. 50%
B. 60%
C. 70%
D. 80%

素质综合测评得分中实践创新素质占()

A. 5
B. 10
C. 15
D. 20

答案查题题库