According to a method of data processing, a predictor is maintained that indicates a historical scope of broadcast for one or more previous operations transmitted on an interconnect of a data processing system. In one embodiment, the fuel cell system includes a fuel cell stack, the stack having an oxygen outlet and an oxygen inlet. An outlet is formed downstream of the inlet for selectively discharging the granular material and fluid. The electrode is preferably not brazedsoldered to the insulator. The delays are compounded in a distributed computing system including a number of computers operating in parallel.