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Cloud and edge computing – Edexcel IAL Computer Science lesson

Cloud and edge computing – Edexcel IAL Computer Science lesson

Subject: Computing

Age range: 16+

Resource type: Lesson (complete)

Last updated

11 November 2026

docx, 38.4 KB
docx, 38.4 KB
docx, 39.16 KB
docx, 39.16 KB
pptx, 471.64 KB
pptx, 471.64 KB

Cloud and edge computing lesson for Pearson Edexcel International A Level Computer Science, with editable PowerPoint slides, a student worksheet and full answers. Cloud computing uses remote servers and edge computing processes data close to where it is made; students compare benefits and drawbacks.

Written for Unit 3 Advanced Principles of Computer Science, topic 12 Networks and cybersecurity (specification 12.4.1, 12.4.2). Everything is editable, so you can adapt it to your class.

What’s included
  • PowerPoint lesson (16 slides) with teacher notes on every slide
  • Student worksheet (Word), ready to print or edit
  • Answer sheet (Word) with mark-scheme style answers for every question
U3.18 Cloud and edge computing

By the end of the lesson students can:

  • Describe the infrastructure behind cloud computing and the IaaS, PaaS and SaaS service models
  • Describe edge computing infrastructure and the services it provides
  • Compare cloud and edge computing and choose between them for a scenario

Worksheet sections: A. Key words; B. Service models; C. Latency and scenarios; D. Exam-style questions; E. Challenge

Every lesson includes
  • Learning goals and a starter question
  • Clear explanations, diagrams and worked examples (Python 3 throughout, as the specification requires)
  • A quick check and a “your turn” task linked to the worksheet
  • Exam-style questions with marks, and an exit ticket
Format
  • PowerPoint (.pptx) and Word (.docx), fully editable
  • Works in PowerPoint and Google Slides
  • Calm, muted sixth-form design, consistent across the whole course

These are independent resources written for the Pearson Edexcel International Advanced Level Computer Science specification (Issue 1, first teaching 2026; IAS XCP01, IAL YCP01). They are not produced or endorsed by Pearson.

More lessons in this series

Last updated: November 2026.

Get this resource as part of a bundle and save up to 25%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

Networks and cybersecurity – Edexcel IAL CS (8 lessons)

8 ready-to-teach lessons for Pearson Edexcel International A Level Computer Science: Networks and cybersecurity. Every lesson has editable PowerPoint slides, a student worksheet and full answers, and the bundle costs less than buying the lessons one by one. A complete, ready-to-teach bundle for Pearson Edexcel International A Level Computer Science (2026): Topic 12 Networks and cybersecurity, in 8 bespoke lessons. Every lesson comes with: - **Editable PowerPoint slides**: goals, starter, explanations, diagrams, worked examples, a quick check, a task and an exit ticket, with teacher notes - **Student worksheet (Word)**: recall, applied practice and exam-style questions with marks - **Answer sheet (Word)**: full mark-scheme style answers Worth £39.92 if bought lesson by lesson. ## What's inside - **U3.11** The OSI model and encapsulation - **U3.12** TCP/IP and the TLS handshake - **U3.13** Packet switching and routers - **U3.14** The domain name system - **U3.15** The IoT stack - **U3.16** The CIA triad and error detection - **U3.17** RSA encryption - **U3.18** Cloud and edge computing ## Why teachers use it - Mapped lesson by lesson to the specification, so coverage is easy to track - Python 3 throughout, as the specification requires - Fully editable: adapt to your class, timings and school template - Works for teaching, revision, cover lessons and homework These are independent resources written for the Pearson Edexcel International Advanced Level Computer Science specification (Issue 1, first teaching 2026; IAS XCP01, IAL YCP01). They are not produced or endorsed by Pearson. Last updated: November 2026.

£17.99

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