A host computer is connected with a magnetic disk storage device by a SCSI bus. A switch sets a first time period and a second time period in connection states between the first and second transistors and the first and second capacitances. The customer uses hisher wireless computing device to select a product to be purchased from the shopping store and subsequently completes the purchase through the wireless computing device. There are via connections formed between planes connecting a power line in one plane to another power line in another plane. The distance corresponds to a sum of a number of path segments associated with the m signature files that cannot be matched to a corresponding path segment associated with files on the data processing system. Each hybrid element comprises two layers: solid layer and particle layer.