A CMOS solid state imaging device capable of achieving a higher image quality while reducing the size and power consumption and increasing the number of pixels and speeds. One method of forming an RRAM device includes forming a resistive element having a metal-metal oxide interface. The negotiating with the certificate authority includes imitating the mobile device based on the profile. Subsequently, the corrected image data are converted into analog data, and their polarities are inverted to supply to image signal lines of an electro-optical panel.