Computers, computer programs, software, computer hardware and related components including hard drives, modems and other electronic communications apparatus in this class, infra red receivers, laser transmission and reading equipment such as bar code readers, magnetic tape spoolers and backup modules, electrical cabling and junction sleeves, branch boxes, encoded magnetic cards, smart cards, computer keyboards, computer peripheral devices, electrical connectors and couplings, magnetic discs, interfaces, magnetic data media, magnetic encoders, music/sound reproduction equipment, optical apparatus and instruments, receivers and remote control apparatus