A memory cell device, including a memory material element switchable between electrical property states by the application of energy, includes depositing an electrical conductor layer, depositing dielectric material layers and etching to create a first electrode and voids. The concept dictionary is used to assist in selecting queries and query terms for use in interrogating the information system. The second sprocket is removably fitted to the input shaft by means of a bolt. Systems for positioning and orienting a cutting element on an earth-boring tool include such a power-driven device and a robot for carrying a cutting element. As a result, the movie application can provide a user with a condensed view of the most accessible show times based on current context.