# Hardware

- [3.1 Computer Architecture](/main/igcse-computer-science/hardware/3.1-computer-architecture.md)
- [3.2 Input & Output Devices](/main/igcse-computer-science/hardware/3.2-input-and-output-devices.md)
- [3.3 Data Storage](/main/igcse-computer-science/hardware/3.3-data-storage.md)
- [3.4 Network Hardware](/main/igcse-computer-science/hardware/3.4-network-hardware.md)