A liquid ejecting apparatus includes liquid chambers in which a liquid is filled, nozzles communicating with the liquid chambers, a signal generator generating a signal of potential change, and elements operating in accordance with the potential of the signal to be applied to cause a change in pressure in the liquid chambers. The node divides the object into a plurality of key value pairs and links the plurality of key value pairs. The power savings manager may also be configured to determine whether physical memory blocks should be active or inactive.