GCSE OCR Computer Science Past Papers (J277): Free Downloads for 2022–2024 + How to Use Them to Boost Your Grade

OCR GCSE Computer Science Past Papers (J277): 2022–2024 (Official OCR PDFs)

If you’re revising for OCR GCSE Computer Science (J277), past papers are the fastest way to improve — as long as you use them properly.

Below are official OCR PDF downloads for 2022, 2023 and 2024 (Paper 1 + Paper 2), including mark schemes and examiner reports.

June 2024 OCR GCSE Computer Science (J277)

Paper 1: Computer Systems (J277/01)

• Question Paper (PDF)

• Mark Scheme (PDF)

• Examiner’s Report (PDF)

Paper 2: Computational Thinking, Algorithms and Programming (J277/02)

• Question Paper (PDF)

• Mark Scheme (PDF)

• Examiner’s Report (PDF)

June 2023 OCR GCSE Computer Science (J277)

Paper 1: Computer Systems (J277/01)

• Question Paper (PDF)

• Mark Scheme (PDF)

• Examiner’s Report (PDF)

Paper 2: Computational Thinking, Algorithms and Programming (J277/02)

• Question Paper (PDF)

• Mark Scheme (PDF)

• Examiner’s Report (PDF)

June 2022 OCR GCSE Computer Science (J277)

Paper 1: Computer Systems (J277/01)

• Question Paper (PDF)

• Mark Scheme (PDF)

• Examiner’s Report (PDF)

Paper 2: Computational Thinking, Algorithms and Programming (J277/02)

• Question Paper (PDF)

• Mark Scheme (PDF)

• Examiner’s Report (PDF)

How to use OCR J277 past papers to boost your grade (simple method)

Most students “do a paper” and their mark barely moves. The difference is how you review.

1) Sit it timed (but don’t burn out)

• If you’re rusty: do 45 minutes, stop, then mark it

• 48 hours later: do the full paper timed (1h 30m)

This builds speed without panic.

2) Mark like an examiner (not like a student)

When you mark:

• highlight the exact words the mark scheme rewards

• rewrite your answer in mark-scheme style

• for every wrong answer, write a one-line fix (your “rule”)

Example:
“If it says ‘describe’, give a process. If it says ‘explain’, add a reason/impact.”

3) Keep a tiny error log (10 minutes)

Make a list with 4 columns:

• Topic

• What I did wrong

• Correct method / wording

• One extra practice question

You’ll stop repeating the same mistakes.

4) Read the examiner report (the shortcut)

Examiner reports tell you:

• what high-scoring answers looked like

• the most common mistakes OCR saw

• where students misread the question

Even 5–10 minutes here is high value.

Paper-by-paper tips for OCR J277

Paper 1: Computer Systems (J277/01)

Quick wins:

• practise “explain” questions using cause → effect sentences

• learn key terms properly (protocols, encryption, authentication, RAM vs storage)

• when a scenario is given, link your answer back to it

Paper 2: Algorithms and Programming (J277/02)

Grade-jump areas:

• do trace tables weekly

• write the algorithm in steps before coding

• test with at least two inputs and state what the output should be

• get comfortable with boundary cases (empty list, 0, max/min, invalid input)

A simple 2-week past paper plan (if exams are close)

Week 1

• June 2024 Paper 1 (timed) → mark → error log

• June 2024 Paper 2 (timed) → mark → error log

Week 2

• June 2023 Paper 1 (timed) → redo weakest topics

• June 2023 Paper 2 (timed) → redo weakest topics

If you only do one extra thing: redo your errors under timed conditions.

Want faster improvement?

If you’re doing J277 past papers but your score isn’t increasing, you usually need:

• stronger exam-technique (what gets marks), and

• targeted fixes for the same recurring mistakes.

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