Coaxial cables; Compact discs featuring music; Computer keyboards; Computer operating programs; Computer peripheral devices; Converters; Converters, electric; Data processing apparatus; Data processing equipment, namely, couplers; Floppy disks; Micro-processors; Microprocessors; Optical cables; USB (universal serial bus) hardware; USB (universal serial bus) operating software; USB hubs; Video processors; Wireless transmitters and receivers; Wireless receivers and transmitters for portable med...