OCR · GCSE

OCR Computer Science quizzes

26 ready‑made quiz sets across 11 units, one for every lesson. Open a unit, pick tomorrow's lesson, put it on the board and host it live — students answer on their own devices.

  • Free to host
  • 20 questions per lesson
  • Students join by code

Every set is free to host and covers one lesson of the OCR GCSE Computer Science (J277). Open a unit to see its lesson sets; each one opens the set's page, where you can host it straight away or save it to your library.

Units

  1. Unit 1

    Systems architecture

    3 lesson sets — Architecture of the CPU, CPU performance, Embedded systems.Open unit 1
  2. Unit 2

    Memory and storage

    5 lesson sets — Primary storage (memory), Secondary storage, Units and more.Open unit 2
  3. Unit 3

    Computer networks, connections and protocols

    2 lesson sets — Networks and topologies, Wired and wireless networks, protocols and layers.Open unit 3
  4. Unit 4

    Network security

    2 lesson sets — Threats to computer systems and networks, Identifying and preventing vulnerabilities.Open unit 4
  5. Unit 5

    Systems software

    2 lesson sets — Operating systems, Utility software.Open unit 5
  6. Unit 6

    Ethical, legal, cultural and environmental impacts of digital technology

    1 lesson set — Ethical, legal, cultural and environmental impact.Open unit 6
  7. Unit 7

    Algorithms

    3 lesson sets — Computational thinking, Designing, creating and refining algorithms, Searching and sorting algorithms.Open unit 7
  8. Unit 8

    Programming fundamentals

    3 lesson sets — Programming fundamentals, Data types, Additional programming techniques.Open unit 8
  9. Unit 9

    Producing robust programs

    2 lesson sets — Defensive design, Testing.Open unit 9
  10. Unit 10

    Boolean logic

    1 lesson set — Boolean logic.Open unit 10
  11. Unit 11

    Programming languages and Integrated Development Environments

    2 lesson sets — Languages, The Integrated Development Environment (IDE).Open unit 11

How to use a set in class

Open a lesson set and choose Host. Your board shows each question with a timed countdown, students answer on their own devices, and the answer and a live leaderboard follow every question — a quick retrieval starter or an end-of-topic review without any prep.

Frequently asked questions

Are these OCR Computer Science quizzes free?

Yes. Hosting is free, and students join with a short game code on any device — no student accounts and nothing to install.

Who wrote the questions?

Every set was written with Revision Ninja, and follows the units of the OCR GCSE Computer Science (J277). Each set covers one lesson with 20 multiple-choice questions.

Can I change a set before I use it?

Yes. Open a set and choose "Make my own copy" to get an editable copy in your library — add, remove or reword questions, and the original stays as it is.