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प्रश्न
Audio − visual communication combines both sound and sight means. Which of the following is not Audio Visual Communication.
विकल्प
Television
Smart-phone
Radio
All of these
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उत्तर
Radio
Explanation:
Audio-visual communication uses both sound and visuals together, like in television or smartphones. Radio only provides sound without visuals, so it cannot be considered audio-visual communication.
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