How to Use the Mock Exam Generator to Prepare for Your Computer Science Paper

Mock exams are one of the most effective revision strategies available — but only when used correctly. The mock exam generator on CompSciTutoring.com lets you create a personalised timed paper from over 800 questions. Here’s how to get the most out of it.

What the mock generator does

It pulls from the same question bank used in the question bank practice section — over 800 MCQ and short-answer questions across AQA GCSE, OCR GCSE, Cambridge IGCSE, AQA A Level, OCR A Level and Cambridge A Level.

You choose:

Board — select your exact specification
Number of questions — 10, 20, 30 or 40
Question type — MCQ only, short answer only, or mixed
Difficulty — all, easy, medium or hard

The generator shuffles questions randomly from your chosen spec, so every mock is different.

Timed mode: the most important feature

Turn on timed mode to simulate real exam conditions. The timer is calculated automatically: approximately 1.5 minutes per MCQ question and 3 minutes per short-answer question — roughly matching real exam timings.

The timer turns amber with 5 minutes remaining and red under 1 minute.

Working under time pressure is one of the most effective exam preparation techniques. Students who have regularly practised under time conditions consistently perform better than those who haven’t — not because they’ve learned more content, but because they’ve developed the ability to retrieve and apply knowledge quickly.

How to self-mark short-answer questions

After completing the paper, the results page shows:

Automatic marking for all MCQ questions, with explanations for wrong answers
Mark schemes for every short-answer question

For short answers, compare your response to the mark scheme bullet points. Award yourself a mark for each correct point, up to the maximum stated. Be honest — partial points don’t score.

The goal isn’t to inflate your score; it’s to understand exactly where you’re losing marks.

A mock exam revision programme

Here’s a structure that works well in the six weeks before your exam:

6 weeks out: Take a 20-question mixed mock across all topics. Note your three weakest areas from the results.

4 weeks out: Use the question bank to drill those specific topics, then take a 20-question mock limited to those same topics. Have your score improved?

2 weeks out: A full 40-question timed mixed mock under real conditions. No interruptions, no looking things up.

The day before: A quick 10-question MCQ — this is retrieval practice, not learning. Keep it short.

This mirrors how athletes taper before competition — high intensity early, focused in the middle, light at the end.

Use it alongside the spec checklists

The spec confidence checklists let you rate your confidence on every spec statement across all six boards. Topics you mark as red or amber are your priority areas.

Use the mock generator’s difficulty filter to focus on those topics — set it to medium or hard and generate a paper from your weaker areas specifically. The combination of checklists (identifying gaps) and targeted mocks (drilling them) is one of the most efficient revision strategies available.

Which question types to practise

MCQ questions are good for checking breadth — whether you can recognise correct answers across all topics. They’re also useful early in revision when short-answer writing feels daunting.

Short-answer questions are where most marks are won or lost in Computer Science exams. The most common mistake is giving the right idea in the wrong way — not using the vocabulary an examiner expects, or giving a one-word answer when three words were needed. Practising short answers and comparing them to mark schemes teaches you the language of Computer Science exams.

Mixed mode is closest to the real exam — most papers combine MCQ and extended writing, and switching between modes mid-paper is a skill in itself.

Generate your first mock exam →