Data processing equipment, namely computers and computer hardware; microprocessors; multiprocessors; data processing computer networks comprised of network servers, computer printers, computer monitors, routers, card sorters and classifiers, external storage disk drives and computer controllers; computer peripherals, namely disk drives, keyboards, video monitors, computer printers, combined computer keyboards and video monitors; computer hardware memories, namely, magnetic, optical and integrated circuit memories for recording sound data or images; data transmission equipment, namely modems, splitters, central modem units and central consoles; telecommunications equipment, namely multiplexers; application software for database management, encoding software for cryptographic encoding of data and computer software for networking several physically independent servers into a single server network; portable memory cards namely blank smart cards and encoded smart cards containing programming and data for program data identification of users for control of entry to secure areas and for support and control of debit and credit transactions and record maintenance; smart card readers; recording media, namely, blank magnetic tapes, video tapes and compact disks

Engineering services; updating of computer software; maintenance of computer software; computer programming for others; consultancy services in the field of information systems