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2.2 Data Compression

Part of Big Idea 2: Data in AP® Computer Science Principles. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

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Data compression is a technique used to reduce the size of stored or transmitted data. Since computers handle vast amounts of information, reducing data size improves efficiency, saves storage space, and speeds up transmission. However, different compression methods have varying effects on data quality and usability.

In this unit

4 lessons

  1. 2.1Binary NumbersPreview lesson
  2. 2.2Data CompressionThis lesson
  3. 2.3Extracting Information from DataPreview lesson
  4. 2.4Using Programs with DataPreview lesson

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