Answer:
An average DVD storage capacity is 4.7 GB, which is over six and a half times the size of a CD. This is enough to store 120 minutes of high quality video (or 180 minutes of standard definition video), which explains why movies weren't commonly stored on discs until DVDs became widely available. Although audio storage on DVDs isn't particularly common, you could fit about six hours of CD-quality audio on a DVD, or if you're using MP3s, a whopping 72 hours. Using the same size of image as before (10 MB per picture), a DVD can store 470 images
Explanation:
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