9 Electrical and electronic data processing equipment and computers; devices for digital and analog signal processing, namely modems; electrical circuit boards, including for processing digital and analog signal; apparatus for the input, output, transmission and recording of data including reading devices and writing implements for data carriers (included in this class), namely printers, plotters, data transfer equipment (modems), light pens, joystick, scanner, multifunction keyboard, trackball input devices, namely computer mices and computer trackballs, speech input devices, audio and visual playback equipment for data processing equipment, namely monitors and speakers for use in glasses or helmets in the form of accessory or clipping devices; data carriers with or without programs and/or data files, namely floppy discs, magnetic tapes, hard disk storage units and read-only memories (ROM), random access memory [RAM] and plug-in cards, optical disks (except exposed or unexposed film) including CD-ROMs and WORM (write once, read many); integrated circuits provided on printed conductor plates, namely plug-in cards; accessories for electronic data processing equipment, namely cables, connectors, stands adapted for monitors and printers, voltage and electricity stabilizers, emergency power supply devices, voltage surge protectors, including surge plugs, mouse pads; downloadable electronic manuals stored on data carriers.