【判断题】四位左移移位寄存器,初始状态为 Q 3 Q 2 Q 1 Q 0 = 0000 ,串行输入数据 d 3 d 2 d 1 d 0 = 1101, 经过两个 CP 后,输出端的状态是 0011 。
【单选题】对于四位的左移移位寄存器,若初始状态为1011,在串行输入端固定接低电平“0”,移位寄存器的输出端状态在4个CP作用下的移位过程是( )
A.
1011—0110—1100—1000—0000
B.
1011—0111—1110—1101—1011
C.
1011—0101—0010—0001—0000
D.
1011—1101—1110—0111—1011
【单选题】听力原文: Why do people smoke? One reason is that people become dependent on cigarettes. The substance which people cannot resist in cigarettes is nicotine. when people smoke the nicotine goes directly in...
A.
Because they like the taste of tar.
B.
Because smoking makes them feel relaxed.
C.
Because smoking is fun to them.
D.
Because smoking cures them of cancer.
【判断题】2-2 兴趣是指人们以特定的事物或活动为对象,所产生的积极的、带有倾向性和选择性的态度和情绪。
【判断题】四位右移移位寄存器,初始状态为 Q 3 Q 2 Q 1 Q 0 = 0000 ,串行输入数据 d 3 d 2 d 1 d 0 = 1101, 经过两个 CP 后,输出端的状态是 1100 。
【简答题】四位左移移位寄存器,初始状态为 Q 3 Q 2 Q 1 Q 0 = 0000 ,串行输入数据 d 3 d 2 d 1 d 0 = 1011, 经过两个 CP 后,输出端的状态是: _______ 。
【简答题】四位移位寄存器的初始状态为0000,串行输入数码=1011,从高位到低位依次输入。在4个脉冲作用后,输入的四位串行数码1011全部存入了寄存器中,移位寄存器的输出为( )。
【单选题】四位移位右移寄存器初始状态为0000,串行输入数据为1011,当第四个移位脉冲过后,寄存器Q4Q3Q2Q1的状态变为( )。
【单选题】听力原文: Why do people smoke? One reason is that people become dependent on cigarettes. The substance which people cannot resist in cigarettes is nicotine. When people smoke the nicotine goes directly in...
A.
Because they like the taste of tar.
B.
Because smoking makes them feel relaxed.
C.
Because smoking is funny.
D.
Because smoking cures disease.
【单选题】由四个JK触发器组成的四位串行左移寄存器,输出 的初始状态为“0000”。现输入数码为1110,经过3个CP脉冲后,输出 为( )。