Abstract: A rescuing and positioning assembly includes a bag which is inflatable; a surface of the bag having textures or drawings for displaying rescue indications; an inflation device for inflating the bag; a connecting wire having one end connected to the bag; a light emitter installed on the connecting wire; and a bracelet connected to another end of the connecting wire; the bracelet used to be worn on the user's body so that the bag may be tied to user's body for indicating where the user is and for avoiding to separate from the user. In use, the bag is inflated by using the inflation device, and the bracelet wears on the user's body. Thus, the user can float on water. The bag could indicate a position of the user and textures or drawings on the bag and light from the light emitter will alert others to keep attention to the user.

Abstract: An updating method for an electronic system with a plurality of hardware devices is disclosed. The updating method includes selecting one of the plurality of hardware devices as a first layer device; selecting at least one of the hardware devices as at least one second layer device; performing, by the first layer device, an updating process according to a software component; transmitting, by the first layer device, a first notification message; and accessing, by the at least one second layer device, the software component from the first layer device according to the first notification message and performing, by the at least one second layer device, the updating process according to the software component.

Abstract: A computer network system. The computer network system includes a server with an operating system and a management system for controlling the server, and a computer connected to the operating system of the server and the management system of the server. The computer is utilized to transmit a signal to the management system of the server according to a status of the operating system of the server providing a network service.