The purpose of this subchapter is to promote the educational programs of state-supported institutions of higher education in Texas by authorizing the establishment and operation of a cooperative system for communication and information retrieval and transfer between the institutions and between the institutions and private educational institutions, industry, and the public. The system, employing two-way, closed-circuit television and other electronic communication facilities, is to provide a means of effecting the interchange of ideas, talents, faculties, libraries, and data processing equipment and a means of carrying out an approved program of instructional television.