SINOPSIS DEL LIBRO

This book discusses the basic components of any alarm system All alarm systems have two basic functions First they monitor their environment looking for a change such as a door or window opening or someone moving about in the room Second they alert the legal owner or user to this change The system described in this book uses a scanning type software to detect intruders It behaves like a guard dog pacing up and down the fence line on the looko...Seguir leyendo