WJEC Eduqas GCSE (9-1) in Electronics (C490QS) revision

Free interactive Electronics revision for Eduqas GCSE, matched to the WJEC Eduqas GCSE (9-1) in Electronics (C490QS) specification.

Past papers for this specification

Eduqas GCSE Electronics past papers 28 official documents · 2019-2025

Question papers, mark schemes and examiner reports, free and straight from the exam board. Revise a topic here first, then mark yourself against a real paper.

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What the specification covers

C1 Component 1: Discovering Electronics (analogue and digital fundamentals)

1.1 Electronic systems and sub-systems
1.2 Circuit concepts
1.3 Resistive components in circuits
1.4 Switching circuits
1.5 Applications of diodes
1.6 Combinational logic systems

C2 Component 2: Application of Electronics

2.1 Operational amplifiers
2.2 Timing circuits
2.3 Sequential systems
2.4 Interfacing digital to analogue circuits
2.5 Control circuits (microcontrollers)

C3 Component 3: Extended system design and realisation (NEA knowledge)

3.1 Design-and-realisation process knowledge

Nothing is built for this specification yet

The topic list above is the specification itself, not our summary of it. Work down it and mark every topic you could not explain to someone else: that is your revision plan for Electronics.

The past papers for this specification are already here, and they are the most useful thing on the site until the activities land. Try one question, then look up what you could not do.

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