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IB Diploma Computer Science
Full syllabus coverage for first exams 2027, built from 25+ years of classroom experience and a Principal Examiner background. Browse by theme and unit below — buy a presentation for 1 year of access, or preview one for free first.
🎯 Get mock examsBest value: Every IB Presentation — All 8 Units
Every presentation, every unit — 427 slides in total, 1 year access.
Best value: Every IB Question Bank — All 8 Units
Every Question Bank, every unit — 655 questions, 1,991 marks, 1 year access.
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Theme A: Concepts of Computer Science
A1 — Computer Fundamentals4/4 ready▾
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1 year access
A1.1Computer hardware and operationSL & HL
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A1.2Data representation and computer logicSL & HL
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A1.3Operating systems and control systemsSL & HL
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A1.4TranslationHL only
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A2 — Networks4/4 ready▾
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1 year access
A2.1Network fundamentalsSL & HL
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A2.2Network architectureSL & HL
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A2.3Data transmissionsSL & HL
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A2.4Network securitySL & HL
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A3 — Databases4/4 ready▾
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1 year access
A3.1Database fundamentalsSL & HL
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A3.2Database designSL & HL
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A3.3Database programmingSL & HL
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A3.4Alternative databases and data warehousesHL only
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A4 — Machine Learning4/4 ready▾
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1 year access
A4.1Machine learning fundamentalsSL & HL
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A4.2Data preprocessingHL only
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A4.3Machine learning approachesHL only
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A4.4Ethical considerationsSL & HL
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Theme B: Computational Thinking and Problem-Solving
B1 — Computational Thinking1/1 ready▾
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1 year access
B1.1Approaches to computational thinkingSL & HL
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B2 — Programming5/5 ready▾
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1 year access
B2.1Programming fundamentalsSL & HL
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B2.2Data structuresSL & HL
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B2.3Programming constructsSL & HL
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B2.4Programming algorithmsSL & HL
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B2.5File processingSL & HL
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B3 — Object-Oriented Programming2/2 ready▾
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1 year access
B3.1Fundamentals of OOP for a single classSL & HL
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B3.2Fundamentals of OOP for multiple classesHL only
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B4 — Abstract Data Types1/1 ready▾
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1 year access
B4.1Fundamentals of ADTsHL only
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