42 Product design and development in the field of semiconductor intellectual property (IP) cores, semiconductors, integrated circuits, and microelectronics; technical consulting in the fields of design, engineering, research, and development of semiconductor intellectual property (IP) cores, semiconductors, integrated circuits, and microelectronics, technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems in the fields of semiconductor intellectual property (IP) cores, semiconductors, integrated circuits, and microelectronics