what is difference between Managed Code and Unmanaged code?

Managed Code	Unmanaged Code
Managed code is execute by CLR	Unmanaged code is directly executed by the Operating System.
In Managed code, the memory allocation, type Safety , Security taken care by CLR.	In UnManaged code, the memory allocation, type Safety , Security taken care by Developer.
Managed code is written in language like C#, VB.Net, Java.	Un managed code are written in language like C, C++.