Development and dissemination of educational materials of others in the field of computer hardware and software; electronic publishing, namely, publication of books, magazines, multimedia software recorded on CD-ROM, diskettes and magnetic tapes for others in the field of computer hardware and software; educational services, namely conducting seminars and workshops featuring information for use by computer professionals and other persons seeking certification, training and/or information in the field of computer hardware and software, and printed materials and handouts distributed in association with the seminars and workshops