IB Computer Science A1.1.1 - CPU Components, Registers, Buses & Processor Types

IB Computer Science A1.1.1: CPU Components, Registers, Buses & Processor Types

A 38-slide, fully editable PowerPoint lesson for IB Computer Science A1.1.1, aligned with the first assessment 2027 syllabus and suitable for both SL and HL.

Covers ALU and Control Unit, PC/MAR/MDR/IR/AC registers, address/data/control buses, CPU component interactions, and single-core, multi-core and co-processor systems.

Features include:

Clear diagrams and step-by-step explanations
Register memory tricks and comparison tables
IB command term and exam guidance
Exam-style questions with full-mark guidance
Diagram construction practice
Quick-check exit ticket with answers

Designed to be ready to teach with minimal preparation, while giving students both the conceptual understanding and exam technique needed for IB Computer Science.