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thomasabishop 2024-04-20 12:30:04 +01:00
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@ -19,7 +19,7 @@ can mean:
## Main buses
| Bus type | Description |
| ------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| ------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| System bus | The primary pathway between the CPU and [memory](Memory.md). It comprises the **data bus** that transfers data from the memory to the CPU and the **address bus** which transmits requests from the CPU to memory. |
| Internal bus | Connects local devices for example the harddisk to the CPU. |
| External bus | Connects peripheral devices such as disks and printers to the [motherboard](Motherboard.md) |
@ -44,8 +44,7 @@ transmit each bit of data simultaneously.
<img src="../img/parallel-transmission.jpg" width="800px"/>
- Serial buses are cheaper to implement than parallel buses
- Serial buses operate at greater
[latency](Bus.md#latency) than parallel buses
- Serial buses operate at greater [latency](Bus.md#latency) than parallel buses
## Latency