Is the notebook cooler a single fan or a fan?The fan is actually useless. The key is that the fan should be in contact with the suction port at the bottom of the notebook. Multiple fans may not be right. Single fans are generally large fan…

MAP sensorMAP is the intake pressure sensor. The intake pressure sensor detects the absolute pressure of the intake manifold behind the throttle. It detects the change of the absolute pressure in the manifold according to the engine speed …

Is the LED display a liquid crystal display?The LCD is a liquid crystal, and the backlight has two ways, namely a cathode ray CCFL and a light-emitting diode LED, both of which are LCD liquid crystals.These two methods have no advantages a…