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How DVDs Work
A DVD is very similar to a CD, but it has a much larger data capacity.
A DVD is very similar to a CD, but it has a much larger data capacity.
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Wonder why DVDs have become the movie medium of choice? These incredible discs have at least seven times the storage capacity of CDs -- that's why DVD movies can fit in all those "extras," like deleted scenes, multiple formats and directors’ commentary. Find out how DVDs are configured to hold all that data.

Find out How DVDs Work.