【判断题】If the inputs of an exclusive-NOR gate are different, the output is LOW (0).如果一个“同或”门的两输入取值不同,则输出为低电平(0)。
【判断题】(True or False) If the inputs of an exclusive-NOR gate are different, the output is HIGH (1).
【简答题】把一根5米长的绳子平均分成3段,每段绳子的长是全长的______.
【判断题】If the inputs of an exclusive-OR gate are the same ,the output is HIGH(1)
【单选题】If both inputs of an S-R flip-flop are low, what happens when the clock goes high?
A.
An invalid state is produced.
C.
No change occurs in the output.
【简答题】电路图如图1所示,以下程序完成的功能是“实现8只 彩灯从LED0到LED7循环间隔闪烁,再从LED7到LED0循环间隔闪烁。” #include (__)(1) #define uchar unsigned char #define uint unsigned int void ys(uint x) { uchar t; (__)(2) for(t=120;t>0;t--); } void mai...
【简答题】把10米长的绳子平均分成3段,每段长是全长的______.
【判断题】If the inputs of an exclusive -NOR gate are different , the output is LOW(0)
【判断题】(True or False) If the inputs of an exclusive-OR gate are the same, the output is LOW (0).
【简答题】把3米长的绳子平均分成7段,每段长是全长的______.