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We’re refreshing the questions on our KS3 and GCSE Computer Science subject knowledge assessment. The current version remains available. Updated questions will be available from 18 May 2026.

GCSE

Lesson 5 Binary shifts

Curriculum > KS4 > Unit > Lesson

Learners will be introduced to binary shifting that can be used for multiplication and division of binary numbers. They will discover why binary shifting might be needed, and they will learn about overflow and underflow.

Learning objectives

  • Perform binary shifts
  • Describe situations where binary shifts can be used
  • Explain how overflow errors can occur
  • Explain how underflow occurs

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