OCR · GCSE

Your journey to excellence inGCSE Computer Science Revision

By Revision Genie

I want to study…
Prepare for the OCR GCSE Computer Science J277 exam with Revision Genie. Revise the full OCR J277 specification, practise exam-style questions for Paper 1 (Computer Systems) and Paper 2 (Algorithms & Programming), and get instant step-by-step help to boost confidence and marks.

Past papers

Every OCR Computer Science paper, with mark schemes. Sit one as a timed mock or read it through.

Specification

Official OCR Computer Science specification

View specification
MAR

Official mocks

Coming in March 2027

Official Computer Science mock papers are published each spring so you can sit a full paper under timed conditions. They'll appear on the Mock Exams tab and on the Mock Calendar as soon as they are released.

189days to goExams start mid MayResults day 26 Aug

Don't want to wait? Build your own Computer Science mock from the question bank and sit it today.