Computer hardware and software design; Consulting in the field of configuration management for computer hardware and software; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Consulting services in the fields of selection, implementation and use of computer hardware and software systems for others; Design and development of computer hardware and software; Design of computer hardware, integrated circuits, communications hardware and software and computer networks for others; Technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems