A video converter for converting a coding format of a great deal of video contents has three kinds of conversion modes including a conversion mode for performing conversion in two steps in accordance with the kinds of input pictures so that a converting operation can be completed within a limit time set in advance. The semiconductor region has a first region and a second region. The DNA product is suitable for pharmaceutical use. A pre-charge transistor is used to pre-charge a domain at powering-up. The access controller is configured to access a location identified by the first storage device stripe number in a first storage device identified by the first storage device number.