IB Computer Science Topic B2.1: Programming Fundamentals Lessons

This lesson delivers structured, step-by-step lessons that guide students through every part of the IB Computer Science (First Exam 2027) syllabus for B2.1 Programming fundamentals. These lessons simplify complex ideas like algorithm optimization, artificial intelligence, and computational complexity, while worked examples show how to approach IB-style questions.

Designed for both HL and SL learners, RevisionDojo lessons ensure students not only understand the theory but also know how to apply it in IB Paper exam situations.

With clear explanations, active learning checks, and a syllabus-first design, RevisionDojo makes revision less overwhelming and more effective.

B2.1.1 Constructing and Tracing Programs Using Global and Local Variables of Various Data Types

B2.1.2 Constructing Programs That Extract and Manipulate Substrings

B2.1.3 How Programs Use Common Exception Handling Techniques

B2.1.4 Constructing and Using Common Debugging Techniques

A1 Computer fundamentals4 subtopics

A2 Networks4 subtopics

A3 Databases4 subtopics

A4 Machine learning4 subtopics

B1 Computational thinking1 subtopic

B2 Programming5 subtopics

B3 Object-oriented programming2 subtopics

B4 Abstract data types (HL only)1 subtopic