When a teacher uses a tape recorder in the classroom for hearing and audio recording, this method is called:

When a teacher uses a tape recorder in the classroom for hearing and audio recording, this method is called:

جب کوئی استاد کلاس روم میں ٹیپ ریکارڈر کو سماعت اور آڈیو ریکارڈنگ کے لیے استعمال کرتا ہے، تو اس طریقہ کو کہا جاتا ہے
Explanation

The use of a tape recorder in the classroom is an example of a non-projected method of audio-visual aid.