A digital image reproducing apparatus which can easily reproduce image andor sound recorded by a digital still camera is disclosed. The input section may be configured to present a first intermediate signal by selecting either an input clock signal or a feedback of an output signal. In addition, the thermal transition of the protein can also be determined and a 2DCOS plot generated to compare with the established viable protein, allowing for quality control, stability and viability of the desired protein product. The second elongate tubular body can be in a first position so that the first and second tubular bodies are not adjacent to each other and can be in a second position so that the first and second tubular bodies are adjacent to each other. Finally, the program is run on a plurality of low level simulators of the processor in parallel, where each of the low level simulators is started at a corresponding checkpoint with corresponding state data associated with the corresponding checkpoint.