apparatus and instruments designed for scientific, nautical, geodesic, electric, photographic, cinematographic, optical, weighing, measuring, signaling, checking in the nature of supervision, recording, transmission and reproduction of sounds and images, namely, computer buffers, computer cables, computer chips, computer disc drives, blank floppy computer discs; blank hard computer discs, blank computer disc, computer furniture, computer hardware, computer interface boards, computer keyboards, computer memories, computer monitors, computer mouse, computer operating programs, computer operating systems, computer peripherals, computer printers, blank magnetic computer tapes, computer terminals, computer utility programs, computers, and computers and instructional manuals sold as a unit; magnetic register supports; blank acoustic discs; vending machines and coin or counter feed apparatus therefor; cash registers; calculating machines; data processing apparatus and computers; fire extinguishing apparatus