Remove 'Architectures' section

Edit "Protocols" section
Remove "Binary Arithmetic" (already included in "Logic Design"
Add "Memory Management"
Fix notes

README.md

@@ -5,12 +5,12 @@ In order to assist beginners, steps have been taken to create a roadmap that is
 
 If you think that this map can be improved in anyway, please start an issue or pull request. I’ll be maintaining and updating this repository frequently. The source file is created using [Microsoft Visio](https://office.com/visio).
 
-![Embedded Systems Engineering Roadmap](https://github.com/m3y54m/Embedded-Engineering-Roadmap/releases/download/Rev.C-2023-07-26/Embedded-Engineering-Roadmap.png)
+![Embedded Systems Engineering Roadmap](https://github.com/m3y54m/Embedded-Engineering-Roadmap/releases/download/Rev.E-2023-07-27/Embedded-Engineering-Roadmap.png)
 
 ## History
 
 The idea of creating this roadmap came from a [roadmap](https://github.com/vazeri/Embedded-Engineering-RoadMap-2018) designed by [vazeri](https://github.com/vazeri) which was well designed but not updated for years.
-I took that idea and changed the structure of the roadmap and tried to improve it. The initial results can be accessed in [m3y54m / Embedded-Engineering-Roadmap-Archived](https://github.com/m3y54m/Embedded-Engineering-Roadmap-Archived) which is now archived. Early versions of the roadmap were created using [Balsamiq Wireframes](https://balsamiq.com) which were not suitable for these types of diagrams. So I decided to use Microsoft Visio 2019 and redrew the whole diagram with it.
+I took that idea and changed the structure of the roadmap and tried to improve it. The initial results can be accessed in [m3y54m / Embedded-Engineering-Roadmap-Archived](https://github.com/m3y54m/Embedded-Engineering-Roadmap-Archived) which is now archived. Early versions of the roadmap were created using [Balsamiq Wireframes](https://balsamiq.com) which were not suitable for these types of diagrams. So I decided to use Microsoft Visio and redrew the whole diagram with it.
 
 ## Copyright
 
@@ -22,4 +22,4 @@ This work is licensed under a [Creative Commons Attribution-ShareAlike 4.0 Inter
 
 ## Acknowledgement
 
-Special thanks to my friends in the Iranian Twitter community (Electronics and Embedded Systems Engineers) for their help in updating this roadmap.
+Special thanks to my friends in the community of Iranian Embedded Engineers in Twitter and [r/embedded](https://www.reddit.com/r/embedded) subreddit for their suggestions that helped in improving this roadmap.