Disclosed is a display apparatus including a first display and a second display located in a vehicle, a signal processing device including a processor for the first display and the second display, and a second signal processing device for a third display, wherein the processor executes first to third virtual machines on a hypervisor, and the first virtual machine is configured to transmit a remote processing request from at least one of the second virtual machine or the third virtual machine to the second signal processing device, receive image data processed by the second signal processing device in response to the remote processing request, and display an image related to the received image data on at least one of the first display or the second display.