Patent attributes
An information processor such that interfaces mounted in the side faces of the main body of the information processor can be effectively used, and the connectability of an expanded device is excellent. The information process comprises a main body having a built-in function unit in its case and an interface unit provided in a side face of the main body. In the side face of the main body in which the interface unit is provided has an interface attachment part to which the interface unit is attached and an expanded device receiving part capable of receiving at least one expanded device. The interface unit has a one-piece appearance integrated with the case of the main body when the interface unit is attached to the interface attachment part. When an expended device is received in the expanded device receiving part, the expanded device is held between the interface unit and the side face of the main body.