A1 · Higher Level
Computer fundamentals
Connect data representation, logic, hardware and system software.
Learning goals
- Explain how computers represent and process information.
- Trace Boolean circuits and the CPU instruction cycle.
- Evaluate memory, storage, operating systems and control-system choices.
In practice
- Build truth tables and translate expressions into circuits.
- Annotate a fetch–decode–execute model.
- Apply system concepts to an unfamiliar scenario while maintaining weekly Python practice.
Show understanding
Developed Paper 1-style explanations, accurate diagrams and continued programming fluency.
Predict first. Implement second. Test deliberately. Explain what the evidence shows.