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Answer:
A. Document camera
Explanation:
Document cameras, which are also known as visual presenters or visualisers, digital overheads, or docucams. They are real-time image capture devices for displaying an object to a large audience. Just like an opaque projector, a document camera is able to magnify and project the images of actual, three-dimensional objects, as well as transparencies. They are, simply put, high resolution web cams, that is mounted on arms so as to facilitate their placement over a page.
This makes it easier and convenient for a teacher, lecturer or presenter to write on a sheet of paper or to display a two or three-dimensional object while the audience watches.
In Theory, the document camera can be used to display all objects.
Gwen only needs to place her photo under a document camera and deliver her speech while the image will be displayed for the class.
Alexis was planning a dream vacation to Spain.
Alexis/She was especially looking forward to trying the local cuisine, including the famous Paella and Churros.
Alexis will have to practice the language
frequently to make it easier to speak with people.
Alexis/She has a long list of sights to see, including the El Prado museum and the beautiful park.
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