【简答题】This model of typewriter is efficient and endurable, economical and practical for middle school students. 2. The computer we produced is characterized by its high quality, compact-sized, energy-savin...
【判断题】D 触发器是双稳态电路,可以存储1位二进制数
【单选题】如图所示的由555定时器组成的电路是( )电路。
【判断题】D触发器是双稳态电路,可以存储1位二进制数
【判断题】由触发器性质可看出触发器是一个双稳态电路。