Modular storage andor display system including substantially rectangular modules each including opposed first and second sides, opposed third and fourth sides perpendicular to the first and second sides and coupled thereto. This is because there is exceeded the allowable range of the elastic deformation of an elastic thin film, namely, a lead holding member. The size of the transitional memory is selected such that it is capable of buffering data received during time required for the system memory to stabilize from wake-up. When the feedback voltage is lower than an offset voltage, the comparator outputs a reset signal.