Which of the following is a teaching instructional facility?

ALCD projector

BGreen board

CTape recorder

DAll of the above ✓ Correct

Correct answer: (D) All of the above

Explanation

LCD projector, green board and tape recorder are all teaching-instructional aids, so every listed item qualifies.

The LCD projector is a projected audio-visual aid.

The green board is a display or writing-surface aid.

The tape recorder is an audio aid.

Instructional aids are classified as audio, visual and audio-visual types.

Edgar Dale grouped such media by degree of concreteness in his Cone of Experience.

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