How are computer technology being used in trains?

Computer technology is used the same way, either in trains or airplanes. Its function is to manage all electronic devices that allow trains, jetliners, airplanes, aircraft carriers, to work properly, If something is going wrong, the computer sends a message do the commander, and a technician may go the right place in order to fix the deffective mechanism. In trains, a computer controls the speed, the engine that powers the train, the ilummination, and receive warnings from the central unit which manage all the trains.