---
# System prepended metadata

title: A1.1 Notes and resources
tags: [IB, Computer Science, M27 Syllabus]

---

# 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


![image](https://hackmd.io/_uploads/rkGdOLWJ-g.png)


Encoding and decoding instructions

![image](https://hackmd.io/_uploads/r1dq_LbyWe.png)


Buses

![image](https://hackmd.io/_uploads/B1k3OLZJWe.png)



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 

![image](https://hackmd.io/_uploads/SkSf5vv1-g.png)
https://cloud.google.com/learn/paas-vs-iaas-vs-saas