According to one embodiment, an information processing apparatus, includes a display module which comprises a touch sensor on a display surface, a detecting module which detects a range surrounded by a position where a user's finger touches the display surface of the display module, and a position where the user's finger takes off from the display surface after moving on the display surface while touching, and an enlargement display module which enlarges an object in the range on the display module while keeping the object in an operable status if the range is detected by the detecting module.