Projector are mechanisms capable of projecting images or videos onto a surface, be it a screen or a wall. They achieve this by employing a light source, such as a lamp or a laser, to illuminate an image or video originating from a source device, like a personal computer or a DVD player. Subsequently, this illuminated image or video is projected through a lens onto the target surface. The projected image or video's size can be customized, either expanded or diminished, by modifying the distance between the projector and the surface.
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