What is Watchdog timer?
A '''watchdog timer''' is a [[electronic component|component]] of an [[electronics|electronic system]] that makes sure the system is operating properly. These components can either be done as a piece of [[Computer hardware|hardware]] or as [[software]]. Depending on the intended use, they either [[Signal (electrical engineering)|signal]] that a system is not working properly, or they make a system work properly again. A watchdog timer may cause a system to reset itself to its initial state. {{tech-stub}} [[Category:Clocks]] [[Category:Electronic components]] [[Category:Electronic circuits]]