| http://www.w3.org/ns/prov#value | - ny selected block of n rows and m columns of said storage sites, where n is an integer less than N and m is an integer less than M, and to use such data to generate a video signal for input to said display means whereby said display means is caused to display an image comprised of picture elements corresponding to the data obtained in the selected block of storage sites; said video control means i
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