IB Computer Science Exam Guide

Computer Science Exam Skills & Techniques

Everything you need for the IB Computer Science exam on the 2027 guide — paper structures, command terms, marking criteria, tracing technique, and how to write the Python or Java the papers actually ask for.

Aimnova offers full SL and HL content for Computer Science, built on the 2027 guide with first exams in May 2027.

Standard Level

Full exam skills guide for Computer Science SL — command terms, both paper structures, marking criteria, tracing technique, and IA advice.

• 150 teaching hours
• Paper 1: 1h 15m (35%)
• Paper 2: 1h 15m (35%)
• IA: computational solution (30%)

Higher Level

Full exam skills guide for Computer Science HL — the same two papers sat for two hours each, four case-study challenge questions, and B4 abstract data types, which SL never meets.

• 240 teaching hours
• Paper 1: 2h (40%)
• Paper 2: 2h (40%)
• IA: computational solution (20%)