technical consultation provided by telephone and by electronic means in the field of configuring, diagnosing, maintaining, controlling and supporting computer hardware, software, peripherals and systems; computer services, namely, providing access to an on-line computer communications network for the exchange of information about computer hardware, software, peripherals and systems and providing access to computer bulletin boards and computer databases in the field of configuring, diagnosing, maintaining, controlling and supporting computer hardware, software, peripherals and systems