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【简答题】
旅游资源价值大小取决于其本身的 及 这两者的结合情况。
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皮皮学刷刷变学霸
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【判断题】(True or false) When both the J and K inputs are HIGH, an edge-triggered J-K flip-flop changes state on each clock pulse.
A.
正确
B.
错误
【判断题】A pulse-triggered flip-flop is identified by a bubble on its Q output terminal.
A.
正确
B.
错误
【单选题】For an edge-triggered D flip-flop,对边沿触发的D触发器，
A.
a change in the state of the flip-flop can occur only at a clock pulse . 触发器状态的改变仅在时钟脉冲处发生。
B.
The state that the flip-flop goes to depends on the D input . 触发器的状态如何转换由D输入端决定。
C.
The output follows the D input at each clock pulse . 每个时钟脉冲处，输出都跟随输入D变化。
D.
All of these answers . 所有答案都对。
【单选题】(Single choice)For an edge-triggered D flip-flop,
A.
a change in the state of the flip-flop can occur only at a clock pulse edge
B.
the state that the flip-flop goes to depends on the D input
C.
the output follows the input at each clock pulse
D.
all of these answers
【单选题】Pulse-triggered flip-flops are also called ________ flip-flops.
A.
level
B.
postponed
C.
edge
D.
master-slave
【单选题】Which of the following best describes the action of pulse-triggered flip-flops?
A.
A pulse on the clock transfers data from input to output.
B.
The synchronous inputs must be pulsed.
C.
The data is entered on the leading edge of the clock, and transferred out on the trailing edge of the clock.
D.
The clock and R-S inputs must be pulse shaped.
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