There are some features, which can be used to determine the extent to which audio visual aids are of great value in a learning process. Their values depends upon the extent to which they assist in achieving the objectives of instructions and may be indicated briefly under the following heads: Relevancy, Accuracy, Interest
The use of audio visual aids in teaching has increased in the past few years due to technological advancement. Technology blessed the teachers, administrators and student community with multimedia presentations which increase interest in the classrooms. According to studies, when teachers uses learning aids, students show interest and get more stimulate.
Audio Visual Aids are also called instructional material. Audio literally means “hearing” and “visual” means that which is found by seeing. So all such aids, which endeavor to make the knowledge clear to us through our sense are called “Audio Visual Aids”. All these learning material make the learning situations as real as possible and give us firsthand knowledge through the organs of hearing and seeing.