Audio-visuals have been utilized for a long time to convey messages in company meetings, lectures and seminars, demos, stage acts and plays, business proposals, and the like. But the technology has been very basic compared with the technology available today.
Audio-visual technology is defined as the tools used to convey information. It employs the use of several inputs, such as videos or slides. Depending on the information you want to convey to your audience, there are a variety of applications
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