Some firms may test the circuits of a computer by "feeding" it electrical signals from a signal simulator. 有些工厂用信号模拟器向计算机输入电信号来检测计算机电路。
An electronic circuit or mechanical device capable of assuming either of two stable states,especially a computer circuit used to store a single bit of information. 触发器，双稳态多谐振荡器一种能采用两种稳定状态中任一种的电子电路或机械装置，尤指用于储存单个信息单位的计算机电路。
