The document camera is uniquely useful in the classroom since it can
A. display transparencies.
B. show photographic slides.
C. display computer images and play digital sound.
D. project opaque documents and 3-D objects.
Answer:D
The document camera is uniquely useful in the classroom since it can
A. display transparencies. B. show photographic slides. C. display computer images and play digital sound. D. project opaque documents and 3-D objects.