OCR GCSE Computer Science revision

OCR GCSE Computer Science revision for Year 10 and Year 11, following the OCR (Cambridge OCR) GCSE (9-1) Computer Science (J277) specification point by point. OCR (Cambridge OCR) GCSE (9-1) Computer Science (J277) covers Systems architecture, Memory and storage, Computer networks, connections and protocols, Network security, Systems software, Ethical, legal, cultural and environmental impacts of digital technology, Algorithms, Programming fundamentals and 3 more topics. Revise a topic in short interactive activities, then check yourself against real past papers.

One thing the Computer Science questions here are written to catch: Nothing deletes a file for not being closed; the risk is to what was written, not to the file itself.

Best next step

Start with RAM vs ROM. It takes about 12 minutes and needs no account.

Revise RAM vs ROM Then practise with OCR GCSE Computer Science past papers

What you can revise here

Topics come straight from each exam board's published specification, so what you revise is what you are examined on.

OCR (Cambridge OCR) GCSE (9-1) Computer Science (J277) OCR · GCSE · Computer Science · 37 topics 37 modules Systems architecture Memory and storage Computer networks, connections and protocols Network security Systems software Ethical, legal, cultural and environmental impacts of digital technology Algorithms Programming fundamentals Producing robust programs Boolean logic Programming languages and IDEs

Revision modules, quickest first

Short interactive GCSE revision activities for mocks, homework and last-minute practice.

Other OCR subjects

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Same subject, other exam boards

AQA AQA GCSE Computer Science revision Edexcel Edexcel GCSE Computer Science revision Eduqas Eduqas GCSE Computer Science revision WJEC WJEC GCSE Computer Science revision

Similar subjects to try next

Biology Same kind of paper as Computer Science: calculations where the marks are spread across the steps, not held at the end. Biology (Twenty First Century Science) Another subject where showing every step earns the marks, so the habit you build in Computer Science pays off here too. Chemistry Another subject where showing every step earns the marks, so the habit you build in Computer Science pays off here too. Chemistry (Twenty First Century Science) If you are drilling Computer Science questions, Chemistry (Twenty First Century Science) rewards exactly the same discipline. Combined Science (Gateway Science) If you are drilling Computer Science questions, Combined Science (Gateway Science) rewards exactly the same discipline. Combined Science (Twenty First Century Science) Combined Science (Twenty First Century Science) is marked the way Computer Science is: method marks for the working, not just the final answer. Mathematics If you are drilling Computer Science questions, Mathematics rewards exactly the same discipline. Physics If you are drilling Computer Science questions, Physics rewards exactly the same discipline.

Common questions

Is this page for Year 10 and Year 11?

Yes. It is built for Year 10 and Year 11 students revising OCR GCSE Computer Science, and every topic on it is taken from the exam board's published specification rather than a generic syllabus.

Will it help with GCSE mocks?

Yes. This page lists 37 topics and 37 interactive modules, so you can revise the exact topic a mock covers, then sit a real past paper to check it under timed conditions.

Does it match OCR?

Yes, for OCR. The topics here come from OCR's own published GCSE specifications, so the wording matches what OCR examines.

Is it free to start?

Yes. Every revision module on DoRevision is free and there is nothing to pay at any point. A free account saves your progress and streaks, and past papers download without one.