A photographing apparatus and an image pickup device thereof include an image pickup device of which an image pickup area includes a plurality of pixels and is divided into a plurality of sub-image pickup areas, and at least one pixel included in each of the sub-image pickup areas outputs image signals at a same time. Methods are also disclosed for securely writing data to the virtual devices, and for identifying and reconstructing corrupt data. A distributor head having a plurality of distributor head apertures and at least one dome hole extends up through a support plate aperture in the base plate of the support plate, and distributes liquid horizontally and vertically relative to the base plate. If no client computer can distribute the file to the requesting client computer, the requesting client computer requests the first file from the server computer. The selected process windows for the identified structures are overlaid, grouped by common process, thereby creating a resultant process window for each process. The second scavenge passage is positioned at a location nearer to an exhaust port than the first scavenge passage.