---
title: "CPU"
aliases: 
tags: 
- cosc204
---

![](https://i.imgur.com/NxDLkuN.png)

The CPU controls the computer. It is the main component.

A CPU is made of many components including
- [Registers](notes/memory.md#Registers)
- [control-unit](notes/control-unit.md)
- [ALU](notes/ALU.md)

data is transeferred betwen these components and memory through [data buses](notes/bus.md)



examlple of an old CPU

![diagram for 6809](https://i.imgur.com/41F0tnH.png)