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A-Level Revision Aid: This resource is designed to support your revision. Content may contain errors. If you find a discrepancy with your class teaching, your teacher is correct — please let us know at alevelrevise@scott.scottrix.co.uk.

📐 A-Level Computer Science

Year 1 / AS Year 2 / A-Level All Boards (AQA, Edexcel, OCR, WJEC, CCEA)

Free A-Level Computer Science revision notes. 7 topics across AQA, Edexcel, OCR, WJEC, and CCEA specifications.

🔀 Board Differences

Board specifications differ in assessment structure and emphasis. The core content is shared across boards; these are the genuine differences by board:

AQA: Two papers: one on computational thinking and programming, the other theoretical. Includes a non-exam programming project.
Edexcel: Three papers plus a non-exam project; strong emphasis on Python-style programming and mathematical reasoning.
OCR: Two papers plus a substantial programming project; conceptual and theory-heavy, considered demanding.
WJEC: Welsh board; unitised structure covering programming, systems and networks.
CCEA: Northern Ireland's board; unitised assessment with content broadly mirroring other boards.

📊 Course Overview

A-Level Computer Science covers 7 topic areas with 7 topics total across AQA, Edexcel, OCR, WJEC, and CCEA specifications.

Data and Algorithms (1 topic)

Data Representation (1 topic)

Networks (1 topic)

Programming (1 topic)

Software Development (1 topic)

Systems (1 topic)

Theory of Computation (1 topic)