Add-in cards for micro computers; add-on-cards for computers; apparatus for data communications between computers; apparatus for linking computers; apparatus for linking computers into networks; apparatus for protecting computers from electrical power supply faults; audiovisual display apparatus adapted for use with computers; audiovisual display apparatus for use with computers; automatic printers for use with computers; business programmes for computers; cartridges for toner (empty) for use with computers; communications electronics for computers; compact disc players for use with computers; component parts for computers; components for computers; computer software adapted for use in the operation of computers; computers; consoles for use with computers; control apparatus for computers; data being electrically recorded for computers; data being magnetically recorded for computers; data being optically recorded for computers; data carriers for computers having software recorded thereon; data input apparatus for use with computers; data processing apparatus for use with computers; data recording materials for use with computers; data storage apparatus for computers; digital video adaptors for use with computers; disc (disk) drives for computers; disc drives (for computers); disc drives for use with computers; disk drives (for computers); display apparatus for use with computers; display terminals for use with computers; games software for use with computers; home computers; housings for computers; keyboards for entering information into computers; keyboards for use with computers; laptop computers; laser printers for use with computers; memories for computers; memories for use with computers; memory controllers for use with computers; memory devices bearing programmes for use with computers; mice for computers; monitors for use with computers; personal computers; personal computers for use with video game devices; personal computers incorporating computer software; personal home computers; power supplies for computers; printer apparatus for use with computers; printers for computers; printers for use with computers; printing apparatus for use with computers; printing machines for use with computers; printout apparatus for use with computers; processing computers; program discs for computers; programs for computers; scanners for entering data into computers; screens for use with computers; speakers for computers; storage discs for use with computers; telecommunications apparatus for transferring data to computers; telecommunications apparatus for transmitting data for use with computers; television display apparatus for use with computers; television display monitors for use with computers; transmitters for use with computers; upgrade cards for computers; video game programs for use in computers; video game programs for use with computers