MICROCOMPUTER, HOST COMPUTERS, MICROPROCESSORS, DATA STORAGE MEMORY, BAR-CODE SCANNERS, DATA PROCESSORS, CENTRAL PROCESSORS, DISK DRIVERS, DATA-READ-ONLY DRIVERS, COMPUTER INPUT-OUTPUT PROCESSORS, DISK DRIVES, INTEGRATED CIRCUIT CHIPS, CIRCUIT BOARDS, SEMICONDUCTOR DEVICES, NETWORK INTERFACE CARDS, SEMICONDUCTOR CHIPS, PRINTED CIRCUIT BOARDS, VLSI CHIPS