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  • OCR GCSE Computer Science (J277) - Course Companion (2020)

    web/10591 127 photocopiable A4 pages

    Available for dispatch £122
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Computer Science and IT Computer Science KS3 GCSE AQA 8525 8520 OCR J277 Edexcel 1CP2 1CP1 Eduqas 2020 specification 2016 specification WJEC (2017 specification) WJEC (2025 specification) A Level AQA (7516/7517) For teaching and learning: For online homework and revision: For revision and exam preparation: For programming support: OCR (H046/H446) For teaching and learning: For online homework and revision: For revision and exam preparation: For programming support: WJEC Eduqas IGCSE CIE (0984) Programming Computational Thinking Pseudocode C# HTML/CSS/JavaScript Java Micro:bit PHP and SQL Python Scratch Small Basic Visual Basic Information Technology (Level 1/2) BTEC L1/L2 Digital Information Technology (2022) Information Creative Technology Cambridge Nationals L1/L2 IT (J836 from 2022) Functional Skills GCSE Digital Technology CCEA WJEC AAQ and Vocational (Level 3) BTEC National in Computing (2016) AAQ BTEC National Computing (2025) BTEC National in IT (2016) AAQ BTEC National IT (2025) Course Companions Online Learning and Revision Software Guides Cambridge Technical IT (2016) Level 3 Information Technology AAQ Cambridge Advanced National Application Development (2025) Course Companions Topic on a Page Online Learning and Revision AAQ Cambridge Advanced Nationals Data Analytics (2025) Course Companions Topic on a Page Online Learning and Revision T Levels Digital Software Development Course Companions Employer Set Project Topic Tests Digital Support and Security Digital Production Design & Development (last exams 2026) Creative iMedia Cambridge Nationals (J834) Photoshop / Premiere AI
  • Computer Science and IT
  • Computer Science
  • GCSE
  • OCR

OCR GCSE (J277) Computer Science - Course Companion

Comprehensive, accessible notes help students tackle the OCR GCSE Computer Science (J277) specification – for first teaching 2020; exams from 2022.

Accurate, detailed... saves a lot of time with planning

M Crane, customer
  • Covers the prescribed content for Components 01 & 02
  • Student-friendly descriptions and examples – perfect for GCSE students.
  • Diagrams aid understanding and support visual learners
  • Clear and concise

    S Carter, HoD & Customer
  • Learning objectives, definition boxes, chapter summaries and discussion points to engage learners
  • End-of-chapter practice questions and activities test students’ knowledge throughout – answers included!

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What do teachers say about this resource? (10591)

A strong, well-structured, and accessible GCSE resource. It clearly aligns with the OCR J277 specification and offers a good balance of explanation, examples, diagrams, and exam-style questions. It would serve well as both a teaching aid and an independent revision tool ... Clear structure with logical progression through the spec.
Strong use of diagrams (e.g., network topologies, TCP/IP layers).
Definitions and comparisons are well presented.
Activities and questions are varied and mostly exam-aligned.
... It enhances learning through a multi-modal approach, textual explanations, visual aids, and applied questions.
The step-by-step build-up of concepts (especially in networks and protocols) supports learner retention. It's especially valuable in supporting revision and bridging the gap between core knowledge and application ... I thought It was clear, clean and user friendly. Many elements were clear with key terms being in bold for emphasis, supporting the user/reader to find the information relevance easily ... It’s very well matched. It covers specification topics in the correct order and includes both depth and breadth. It also employs clear linking elements to the specification refrences throughout, further adding to the validity of the need to learn and understand what is being represented and delivered ... a useful addition for structured lesson planning, targeted homework, and end-of-topic revision. It aligns well with the specification and offers flexibility in how it's used (teaching, homework, or independent study) ... As a resource it is very comprehensive and would be a great addition to the classroom or the learners library of resources

A Brown, Teacher & Peer Reviewer

I bought the Course Companion from Zig Zag, it has full photocopy rights, so I give each pupil a copy on day one and we annotate it together in class. Acts as a revision guide and a good starting point for all the topics. Very cost effective way of doing it, with good results.

J Thompson, Teacher & Customer

Keywords

  • GCSE OCR Computer Science 9-1 (J277)
  • Component 01: Computer Systems
  • Component 02: Computational thinking, algorithms and programming
  • endorsed for OCR
  • Computer Science / ICT Course Companion
  • GCSE Course Companions
  • OCR exam reference language

Very comprehensive

A Brown, Teacher & Peer Reviewer

I give each pupil a copy on day one and we annotate it together in class. Acts as a revision guide and a good starting point for all the topics. Very cost effective way of doing it, with good results

J Thompson, Teacher & Customer

Clear structure with logical progression

A Brown, Teacher & Peer Reviewer

A strong, well-structured, and accessible GCSE resource...

...It clearly aligns with the OCR J277 specification and offers a good balance of explanation, examples, diagrams, and exam-style questions...

...It would serve well as both a teaching aid and an independent revision tool

A Brown, Teacher & Peer Reviewer

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