A tape dispenser for two or more tape rolls installed therein includes a housing having a first casing and a second casing coupled with each other in which a chamber is formed and a roll mount is provided in the chamber, wherein the housing has an outlet and a cutter mount at where a cutter is mounted. The foundation includes a base that projects from the water surface in the sunk state of the foundation and on which the superstructure can be mounted. The upper electrode pad and the lower electrode are respectively disposed at the corners diagonally opposite to each other, and are symmetric with respect to those of adjacent another of the light emitting cells. The digitized samples are converted from various sampling rates to digitized samples of the analog signals having a rate. In addition, the oxide semiconductor layer contains indium, gallium, and zinc. The processing is performed by a graphics processing unit.