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Philipp Oppermann
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blog/content/second-edition/posts/06-cpu-exceptions/index.md
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This blog is openly developed on [Github]. If you have any problems or questions, please open an issue there. You can also leave comments [at the bottom].
This blog is openly developed on [Github]. If you have any problems or questions, please open an issue there. You can also leave comments [at the bottom]. The complete source code for this post can be found [here][post branch].
[Github]: https://github.com/phil-opp/blog_os
[at the bottom]: #comments
[post branch]: https://github.com/phil-opp/blog_os/tree/post-06
## Overview
An exception signals that something is wrong with the current instruction. For example, the CPU issues an exception if the current instruction tries to divide by 0. When an exception occurs, the CPU interrupts its current work and immediately calls a specific exception handler function, depending on the exception type.