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)
A1.3.1 Role of Operating Systems
A1.3.2 Functions of an Operating System
A1.3.3 Comparison of Different Approaches to Scheduling
A1.3.4 Evaluation of Polling and Interrupt Handling
A1.3.5 Role of the Operating System in Managing Multitasking and Resource Allocation (HL only)
A1.3.6 Use of Control System Components (HL only)
A1.3.7 Control Systems in Real-World Applications (HL only)