GS0421: PROVIDING TECHNICAL AND NON-TECHNICAL INFORMATION IN THE SEMICONDUCTOR AND DISCRETE AND INTEGRATED CIRCUIT DEVICES FIELDS; COMPUTER HARDWARE AND SOFTWARE CONSULTATION; DESIGNING AND TESTING SEMICONDUCTORS FOR OTHERS; MAINTENANCE OF COMPUTER SOFTWARE; TECHNICAL SUPPORT SERVICES, NAMELY, TROUBLESHOOTING OF COMPUTER HARDWARE AND SOFTWARE PROBLEMS VIA TELEPHONE, EMAIL, AND IN PERSON; SOFTWARE INSTALLATION