OCR Computer Science · Unit 3

Exchanging data quizzes

7 ready‑made quiz sets for Unit 3: Exchanging data, one for every lesson, in course order. Pick one, 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

Each set covers one lesson of Unit 3: Exchanging data in the OCR Computer Science (H446), with 20 multiple-choice questions on a timed countdown. Open a set to read its revision notes, host it straight away or save it to your library.