# Motherboard, expansion cards and data flow

> Every computer relies on a single, large printed circuit board to connect all of its hardware components. This board is the motherboard, and without it, a computer's CPU, RAM, GPU and storage…

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## More in Systems technologies

- [Cache memory and computer performance](https://www.hlayiso.com/grade-11/information-technology/notes/systems-technologies/cache-memory-and-computer-performance) — Next section
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## Frequently asked questions

### What will I learn in "Motherboard, expansion cards and data flow"?

This section covers Motherboard, expansion cards and data flow as part of Systems technologies in Grade 11 Information Technology. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

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