computer operating system software; computer operating programs; computer system extensions, tools and utilities in the field of application software for connecting personal computers, networks, telecommunications apparatus and global computer network applications, audio and video graphics for real time information and image transfer, transmission, reception, processing and digitizing; computer hardware; computer peripherals; computer components, namely, cameras, headsets, microphones, voice display monitors and audio speakers; integrated circuits; integrated circuit chips; semiconductor processors; semiconductor processor chips; microprocessors; printed circuit boards; electronic circuit boards; computer memory devices; semiconductor memory devices; video circuit boards; audio circuit boards; audio-video circuit boards; video graphic accelerators; multimedia accelerators; video processors; fax/modems; computer hardware, software and firmware for the transmission and receipt of facsimiles; computer hardware, software and firmware for the development, maintenance and use of local and wide area computer networks; computer hardware, software and firmware for the development, maintenance, and use of interactive audio-video computer conference systems; computer hardware, software and firmware for the receipt, display, and use of broadcast video, audio, and digital data signals