Apparatus for use in communications between computers; Computer apparatus; Computer apparatus for process control; Computer apparatus for processing data; Computer apparatus for remote meter reading; Computer apparatus for the control of data; Computer apparatus for use in local area networks; Computer apparatus having speech generation capabilities; Computer control devices; Computer control units; Computer controllers; Computer controllers for operating lighting apparatus; Computer controls for lighting apparatus; Computer databases; Computer hardware; Computer interface devices; Computer interface units; Computer interfaces; Computer programs for data processing; Computer programs for establishing pump operating schedules; Computer programs for use in telecommunications; Computer programs recorded on disc; Computer programs relating to housing management; Computer software; Computer software applications (downloadable); Computer software programs; Holders for tablet computers; Industrial computer software programs; Voice actuated computer apparatus