One embodiment of the present invention includes a technique for a gated clock conversion for a circuit which includes a gating circuit and a sequential element. According to the present invention, there is provided an ink jet recording sheet comprising a support and an ink receiving layer provided on one side of the support, where the support is a fabric and the surface of the ink receiving layer has an arithmetical mean roughness of not more than 30 \u03bcm measured in accordance with JIS B0601. Two logical paths are provided for IO operations. According to an alternative embodiment of the invention, a portable electronic device is used to query and collect data from the subject. The spa apparatus includes a basin for retaining fluid, a removable foot rest plate positioned within the basin, an impeller coupled to the basin, and a motor drivably coupled to the impeller.