The following descriptions may be helpful in completing side one of this form. Audio systems that have an interactive graphics system should also be reported under audio teleconferencing. These channels can be either PBS of commercial channels. Over one-half of the colleges in the U.S. have an educational access channel. Until recently most of their programs were recorded telecourses, but may are now offering live televised instruction.
Students usually have the option to use a telephone to talk with instructors during the programs.
This is usually for individual instruction. When computer networks are used in conjunction with and in support of other technologies that provide either video or audio support, enrollments should be reported under the other technology. A single system can only provide either video or audio support, enrollments should be reported under the other technology. It includes all electronically stored media using an optical laser system for reading the stored information. The limited distance between antennas and cost per channel generally limits its use to a small number is sites with group instruction.