Teaching as a medium, which is important in the process of teaching and learning has served as guidance for the needs of the teacher to the student correctly and quickly. As a result, students change their behaviour, according to the teaching aim properly. Teaching materials used in teaching, and has also been developed to eyes, changing scientific and technological advances, not compromises. Educators called teaching with various names, such as audio-visual equipment, teaching, education, media, technology, teaching, media, education, etc.
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