An integrated circuit includes an array of memory cells and a digital flag generator circuit configured to generate a data inversion flag based on whether a number of logical zero bits contained in a data word to be transmitted from the memory cells is greater than a threshold number. The pulse combustion device is operated under sub-stoichiometric conditions such that combustion and steam reforming both occur in the fluid channel. Therefore the present invention enables execution of applications on network-based computer systems thereby enabling flexible distribution and use of executable code over a network. The redox couple materials are modified to inhibit dissolution of the materials into the alkaline electrolyte of the fuel cell, and to match the gas phase kinetics of the active redox couple material with its electrochemical kinetics. The instruction instructs the secondary server node to provide the service.