An interactive television system displays a television program having an associated channel. The memory controller successively executes readwrite operations to plural sectors within a selected data area in the nonvolatile memory in accordance with a command and a sector count and sector address fed from a host device. Also, a multi-disk clutch transmits a rotational force between the input shaft and the first or second shaft and the output wheel can be rotationally engaged with the other shaft by way of a dog clutch. The fluid passage includes an orifice portion having a length along the longitudinal axis and a diameter, and the length of the orifice portion is more than 3 times greater than the diameter of the orifice portion. temperature and 15-1,500 psig pressure and oxidized to produce a desired crude oxidized organic product such as propylene oxide, which is purified by distillation steps and recovered from the solvent solution. According to the present invention, the minimized hybrid operation can increase the standby time of the mobile terminal.