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.
7 lesson sets in Unit 3: Exchanging data
- 20Qs questions
1.3.1 Compression, encryption and hashing
20 questions · by Revision Ninja
- 20Qs questions
1.3.2a Database design: keys, entity relationships, normalisation and indexing
20 questions · by Revision Ninja
- 20Qs questions
1.3.2b SQL, data management, referential integrity and ACID transactions
20 questions · by Revision Ninja
- 20Qs questions
1.3.3a Network characteristics, protocols, TCP/IP, DNS and protocol layering
20 questions · by Revision Ninja
- 20Qs questions
1.3.3b LANs, WANs, switching, network hardware, security and client-server
20 questions · by Revision Ninja
- 20Qs questions
1.3.4a HTML, CSS, JavaScript and client-side and server-side processing
20 questions · by Revision Ninja
- 20Qs questions
1.3.4b Search engine indexing and the PageRank algorithm
20 questions · by Revision Ninja