A1 Computer fundamentals
A1.1 Computer hardware and operation
A1.2 Data representation and computer logic
A1.3 Operating systems and control systems
A1.4 Translation (HL only)
A2 Networks
A3 Databases
A4 Machine learning
B1 Computational thinking
B2 Programming
B3 Object-oriented programming
B4 Abstract data types (HL only)
Browse syllabus-aligned notes for A1.2 Data Representation and Computer Logic. Open each subtopic for focused explanations, examples, and summaries.
A1.2.1 Principal Methods of Representing Data
9 minute read
A1.2.2 How Binary is Used to Store Data
22 minute read
A1.2.3 Purpose and Use of Logic Gates
6 minute read
A1.2.4 Constructing and Analyzing Truth Tables
A1.2.5 Constructing Logic Diagrams
4 minute read