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In which situation can file compression reduce quality despite being useful?

Answer and explanation

Correct answer: When lossy compression is applied to an image or audio file

The governing concept is lossy compression. It reduces file size by permanently removing some information, which can lower image sharpness or audio fidelity, especially after repeated saving. Option D is correct because pictures and sound can visibly or audibly lose quality. Lossless compression preserves the original data, while renaming, copying, or placing a text file in a folder does not itself reduce quality.

Related tags

File-CompressionLossy-CompressionMediaBasic Computer Operations (Hardware And Software)Basic Computer Operations Hardware And SoftwareIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial I

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