The digital copy of the videos is an example of unstructured data.
What is digital copy?
A digital copy is a commercially released computer file that contains a media product, such as a movie or a music album. The name contrasts this computer file with the physical copy, which is frequently included as part of a bundle. It enables the purchaser of the disc to obtain a single copy of the film on a digital device such as a personal computer, smartphone, tablet computer, or digital media player and view it on those devices without the need for physical media. "Digital copy" is also known as "Digital HD" in some circles.
Legal documents, audio, chats, video, photos, text on a web page, and much more are examples of unstructured data.
So, C is the right answer.
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