A backpack is composed of a bag and a frame assembly combined with the bag. The device includes a plurality of memory cells forming a cell array, at least one local decoder interfacing with the cell array, at least one local sense amplifier and at least one local controller. The device 70 reduces a Raman-scattered light emitted from the liquid out of lights emitted due to an interaction of the light radiated by the device 10 with the target or the liquid and selects an autofluorescence light emitted from the target. A phone server establishes phone and Internet connections to the voice-mail message sources. In one embodiment, a pair of compilation lists are provided with a first one of the compilation lists being created prior to processing the computer program while the other is created during the processing of the computer program. At the same time, the respective patterns of the positional relationships in the ink cartridges and the cartridge holders coincide with each other per each of the four colors of black, cyan, yellow and magenta.