Data Representation · Data & Analysis

Characters and Compression

Exploring character sets like ASCII and Unicode, and the algorithms used to reduce file sizes.

Key Questions

  1. 1Why was the transition from ASCII to Unicode necessary for a global internet?
  2. 2How does Run-Length Encoding exploit patterns in data to save space?
  3. 3In what scenario would you prioritize lossless compression over lossy compression?

National Curriculum Attainment Targets

GCSE: Computing - Data Representation and Compression
Year: Year 10
Subject: Computing
Unit: Data Representation
Period: Data & Analysis

Suggested Methodologies

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