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Computer Science (Computer Science) — free IB HL course

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Higher Level · computer-science-hl · Free premium course

Computer Science

22 premium lessons live for IB Diploma Computer Science. Learn visually, read concise notes, then practise with criterion marking on every topic.

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4 interactive simulations across 2 topics — run them inside the lesson

ContentsComputer Science HL · 19 topics

Section · 19 topics

Topics

◆Systems in organizations: planning and change management1.1CONTINUESystem design basics: components, usability and documentation1.2Computer architecture: the CPU and primary memoryInteractive diagram2.1Secondary memory and operating systems2.2Binary representation of dataInteractive diagram2 sims2.3Network fundamentals3.1Data transmission and wireless networks3.2Computational thinking: abstraction, decomposition and algorithms4.1Connecting computational thinking and program designInteractive diagram4.2Introduction to programming: variables, control and methodsInteractive diagram4.3Flowcharts, pseudocode and algorithm designInteractive diagram4.4Abstract data structures: recursion and the stack2 sims5.1Linked listsInteractive diagram5.2Trees and binary treesInteractive diagram5.3Stacks, queues and the application of data structuresInteractive diagram5.4Resource management: system resources and scheduling6.1Memory management and virtual memory6.2Control systems: sensors, actuators and feedback7.1Embedded systems and microprocessors7.2
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Free IB Computer Science HL course — 22 topics

Revise IB Diploma Computer Science (Higher Level) topic by topic. This free course covers 22 official syllabus points with visual lessons, worked examples, and markband-aligned past-paper practice. Each topic links to IB criterion practice on MarkScheme — a free alternative to paid note sites for students searching "IB Computer Science notes" or "IB Computer Science revision".

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