# A1.1 Notes and resources

:::info
This is a note for notes of the IB Syllabus starting M27. If you want to see more, you should check the note of the teaching material index here:

https://hackmd.io/@dprieto/David-Index#Computer-Science-New-syllabus-first-examination-2027
:::

:::warning
This is not ordered whatsoever yet
:::

### CPUs

This is a recent video and it's very good for an overall understanding of the CPU.
{%youtube 16zrEPOsIcI%}
https://www.youtube.com/watch?v=16zrEPOsIcI


Encoding and decoding instructions


Buses


https://www.youtube.com/watch?v=h9Z4oGN89MU

GPUs and CPUS
{%youtube h9Z4oGN89MU%}

https://tools.withcode.uk/cpu/

### A 1.1.8 Compression

Video about the inside of lossing compresion of jpgs

https://www.youtube.com/watch?v=Kv1Hiv3ox8I
{%youtube Kv1Hiv3ox8I%}

### A 1.1.10 Cloud computing

https://cloud.google.com/learn/paas-vs-iaas-vs-saas