AP CSP Day 57: Metadata & Information
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Big Idea 2
Day 57 Practice
Focus: Metadata & Information
Practice Question
A photo's metadata includes GPS coordinates, timestamp, and camera model. This metadata can be used to:
Why This Answer?
GPS coordinates show location, timestamp shows when taken. Metadata provides information ABOUT the data without changing it.
Why Not the Others?
A) Metadata describes data but doesn't improve quality.
C) Metadata doesn't change content.
D) Metadata actually increases file size slightly.
Common Mistake
Watch Out!
Confusing metadata with image processing. Metadata is descriptive information, not image manipulation.
AP Exam Tip
Metadata = data about data. Tells you when/where/how data was created without modifying the actual data.