According to one embodiment, an electronic apparatus includes a key operation unit including a first region in which a first key group is arranged and a second region in which a second key group is arranged, a switch, and a key operation control unit which outputs, when a given key of the first key group is pressed together with an operation of the switch, a key code assigned to a key located at a position in the second region which corresponds to a position of the given key in the first region, and outputs, when an arbitrary key of the second key group is pressed, a key code assigned to a key located at a position in the first region which corresponds to a position of the arbitrary key in the second region.