operating system programs; operating systems programs; operating systems (electronic); computer operating systems programs; computer systems; computer network operating installations; operating systems (electric); operating systems (robotic); computer operated control apparatus; electric access control systems; electrical control apparatus being computer operated; power line monitoring systems; electronic control systems; devices for system load control; computer operating programs; communications systems; computer programs for monitoring computer systems performance; computer software for accounting systems; computer imaging systems

operating of electronic communications systems; operation of telecommunications systems; operating of electronic communications networks