Edexcel IAL Computer Science – Topic 11 Computer systems and data representation (10 lessons)

A complete, ready-to-teach bundle for Pearson Edexcel International A Level Computer Science (2026): Topic 11 Computer systems and data representation, in 10 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 £49.90 if bought lesson by lesson.

What’s inside

• U3.01 Harvard architecture
• U3.02 RISC and CISC
• U3.03 Five-stage pipelining
• U3.04 Parallel processing: MIMD and SIMD
• U3.05 Embedded systems hardware
• U3.06 ADC, DAC and embedded software
• U3.07 I/O device management
• U3.08 Virtual machines and containers
• U3.09 Floating point: IEEE 754 half precision
• U3.10 Floating point: converting and range

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.