Abstract: An electronic apparatus including a first housing and a second housing. The first housing has a top wall, a left side wall, and a right side wall. The second housing is supported on the first housing. The top wall has a plurality of stepped parts at its peripheral parts that are connected to the left side wall and the right side wall. The stepped parts incline, lying at a level lower than the top wall. The second housing can be rotated from a closed position to an opened position, and vice versa. The second housing covers the top wall when in the closed position, and stands upright and exposes the top wall when in the opened position. The second housing has a plurality of extensions that cover the stepped parts when in the closed position.