Providing computer hardware, computer software and computer programs, including business management software, computer games, scheduling and docketing programs, computer maintenance programs, computer networking software, communications software, imaging software, computer operating systems, word processing software, publishing software, information management software, database programs, spreadsheet programs, and electronic commerce and internet software, microprocessors, computer memory units, computer main boards, computer peripheral devices, computer printers, computer modems, telecommunication equipment, namely telephones, personal computers and modems, and providing parts, installation, maintenance and repair services, and instructional and educational material for all the foregoing hardware