Electrical and electronic data processing equipment; apparatus for digital and analog signal processing, namely, modems; electrical switching devices with digital and analog signal processing; apparatus for the input, output or reproduction of data, namely, printers, plotters, modems, light pens, joysticks, scanners; multi-function keyboard and plug-in cards therefore, namely sound cards; roller ball input apparatus, namely, mice and track balls; input devices for computers, namely, speech in...