Computer apparatus; Computer apparatus for processing data; Computer apparatus for use with computer networks; Computer installations for the processing of data; Computer interface apparatus; Computer interface devices; Computer interfaces; Computer interfacing apparatus; Computer networks for the processing of data; Connecting devices for data transfer; Data information processing apparatus; Data processing apparatus for use with computers; Data processing devices; Data processing equipment; Data processors; Data transfer apparatus; Data transfer instruments; Data transmission apparatus; Electronic connectors; Electronic data interchange apparatus; Electronic data processing apparatus; Electronic data processing devices; Electronic data processing equipment; Electronic data processing installations; Electronic message handling apparatus; Headphones; Interfaces (for computers); Multiport repeaters; Portable field chargers; Set-top boxes (digital signal receivers)