1. An electronic apparatus, comprising: a housing; a display unit installed in the housing, and having a display area on a side of the housing to display a menu image; a sensing unit installed in the housing, and having a first camera and a second camera which are on the side of the housing adjacent to the display area of the display unit and have a virtual area including an object over the side of the housing; and a controller installed in the housing, and configured to control at least one of the first camera and the second camera according to a user selection, wherein the controller is configured in a photographing mode to control the first camera to generate a first photographing image of the virtual area, and to control the display unit to display the first photographing image in the display area of the display unit; wherein the controller is configured in a sensing mode to control the second camera to generate a second photographing image of the virtual area, to extract the object from the second photograph image of the virtual area as a sensed image, to control the display unit to display the sensed image in the displayed menu image of the display area of the display unit, to determine a state of the object as a user input to the displayed menu image, and to perform a function of the electronic apparatus according to the displayed menu image and the determined user input.