According to one embodiment, an electronic device receives inputs of video signals from a plurality of input systems. The electronic device includes a priority determination table, a video switching instruction module, a video switching module. In the priority determination table, video display priorities of the video signals from the input systems are determined in advance. The video switching instruction module instructs to switch among the video signals from the input systems on the basis of the priorities determined in the priority determination table. The video switching module switches among the video signals from the input systems according to a switching instruction from the video switching instruction module.