> For the complete documentation index, see [llms.txt](https://tk233.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tk233.gitbook.io/notes/life/some-interview-questions.md).

# Some Interview Questions

## How LDO works

And how to calculate efficiency / power consumption

## How buck converter works

And how to calculate efficiency / power consumption

## Multithreading

If you have 5 producers writing data to a single buffer, and 5 consumers reading data from that buffer, how to make sure no data hazard?

## How to implement sqrt()