Devices, methods, and systems for notifying a user of an event are described herein. The plurality of memories store an input signal in a way such that the input signal is divided into a plurality of regional signals to correspond to the plurality of memories. The upper arm and the lower arm have respective one-ends connected to respective dampers via the ball joints and respective other ends pivotably fixed to the vehicle’s body. A provisioned machine may then be established based on the delta disk and the remote base disk to form a virtual disk of the operating system.