Revise computer science with BBC Bitesize!
Get the support you need for your computer science exam revision in 2025, whether you’re studying GCSE computer science, Scottish National 5 computing science or Higher computing science.
How can I practise for my computer science tests?
Test your skills with these exam-style computer science questions based on GCSE past papers. Or take our computer science topics exam practice quiz which lets you opt for the topic you want to revise.
Then try our quick-fire computer science quizzes with over a thousand free exam questions.
Sample exam questions
Prepare for your computing science tests by working through these sample exam questions with guidance on how to answer them. Choose the topic you want to revise and your exam board.
Which GCSE computer science topics are covered by BBC Bitesize?
Our study guides cover a range of computer science topics.
Students in England, Northern Ireland, Scotland and Wales can use the study guides to revise for their computer science GCSEs, computing science Higher and National 5 exams.
Bitesize learning resources are written by subject-area experts with close reference to the national curriculum and examining body specifications.
Pick your exam board and start revising.

Which other subjects can I revise with BBC Bitesize?
BBC Bitesize study guides cover a wide variety of subjects with explainer texts, diagrams, videos and quizzes.
We have hand-picked revision resources for core subjects like maths, biology, chemistry, physics, combined science, English literature, English language, history and geography.