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  1. GCSE
  3. Computer Science WJEC

Computer Science

Spec 3460QS

Free WJEC GCSE Computer Science revision: past papers from 2019–2025 with mark schemes.

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Assessment at a glance

AssessmentFormatDurationMarksWeighting
Unit 1: Understanding Computer ScienceDigital exam1h 30m80 marks50%
Unit 2: Computer ProgrammingOn-screen exam2h80 marks50%

Course aims & skills

WJEC GCSE Computer Science builds the skills examiners reward. By the end of the course you should be able to:

  • design, write and debug working programs
  • trace algorithms and predict program output
  • represent data in binary, hexadecimal and other formats
  • explain how computer hardware and networks operate
  • apply Boolean logic and logical operators
  • identify and evaluate cyber security threats and defences
  • decompose problems into algorithms using pseudocode and flowcharts
  • evaluate the efficiency of algorithms and solutions
  • discuss the legal, ethical and environmental impacts of computing

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