A display device and a method for operating an electronic display device for displaying several characters in a character set, in particular for displaying letters andor numbers. When exposure is actually executed, first, an interlayer dielectric film is formed on the alignment marks in a lot and planarized. In a LAN environment which adopts APIPA, whether the IP address to be assigned to an apparatus is already being used by another apparatus is checked. The results of the audit are also fed back to the crawl process to further enhance the crawl. The radio frequency transceiver is coupled to the control circuit and is configured to communicate with the mobile wireless communication device. The system and the method provide a numerical representation of the predicted cognitive performance.