A camera is detachably attached to the central portion of the rear end of an apparatus main body of a personal computer and positioned between a pair of hinge portions. A lens is provided at the camera main body of the camera and this camera main body is rotatably arranged about the axis of the camera main body substantially coaxial with the rotation axis of a display unit. When the camera main body is detached from the apparatus main body, the camera is connected to the apparatus main body through an extension adapter and put at a remote position from the personal computer. A shutter button is provided at each of the camera main body and the apparatus main body.