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Course: AP®︎/College Computer Science Principles > Unit 1

Lesson 7: Lossy data compression

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Lossy vs. lossless compression

Google Classroom

Consider these two files:

A still screenshot of the Apple homepage
A 5-second video of the same Apple homepage

Is it possible for the video to take up less space than the image?

(Choice A)
Yes, but only if there is no movement in the video recording of the Apple home page.
(Choice B)
Yes, but only if the video is saved in the Quicktime .mov file format.
(Choice C)
Yes, if the video is compressed with a lossy compression algorithm.
(Choice D)
No, the video will always take up more space than the image.

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Lossy compression