Data Representation · Summer Term

Data Compression: Lossy vs. Lossless

Understanding the concepts of data compression and differentiating between lossy and lossless methods.

Key Questions

  1. Explain the purpose of data compression in digital storage and transmission.
  2. Compare lossy and lossless compression techniques with examples.
  3. Justify the choice of a compression method based on data type and desired quality.

National Curriculum Attainment Targets

KS3: Computing - Data Representation
Year: Year 7
Subject: Computing
Unit: Data Representation
Period: Summer Term

Suggested Methodologies

Case Study Analysis

Deep dive into a real-world case with structured analysis

30–50 min

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Think-Pair-Share

Individual reflection, then partner discussion, then class share-out

10–20 min

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