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Commercial Photography II CTE Practice Exam

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Which term describes reducing image file size by discarding data?
Correct Answer:
Compression
Explanation:
Compression is the process of reducing image file size by discarding data. By encoding the image information more efficiently or removing data that’s less noticeable to human vision, the file becomes smaller. There are two main forms: lossy compression, which drops data to achieve larger size reductions and can affect image quality, and lossless compression, which reduces size without losing any information. This concept differs from simply changing the image’s resolution (which changes pixel dimensions), color space (which defines the range of colors used), or metadata (extra information attached to the file). Because it directly describes shrinking the file by discarding data, compression is the best term for this description.

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