Apparatus for recording and reproduction of sound, images or data; apparatus for recording, transmission, processing and reproduction of sound, images or data; cable connectors; cases adapted for computers; computer cables; computer cases; computer circuit boards; computer hardware; computer joystick peripherals; computer keyboards; computer keypads; computer monitors; computer mouse; computer peripherals; computer cursor control devices, namely, trackballs; computer hardware and peripherals; computer peripherals in the nature of trackballs; computers; electronic circuit board; electronic components for computers; electronic regulating and control devices for the operation of light emitting diodes; flat panel display screens; headphones; internal cooling fans for computers; microphones; motherboards; personal computers; power supplies; computer motherboards and daughterboards; downloadable basic input/output system (BIOS) software.;