Ive done this before with success.
You will need <span>FFmpeg.</span>
https://superuser.com/questions/227338/how-to-convert-an-mkv-to-avi-with-minimal-loss
Input
Output
(Sorry for not being detailed)
The answer to this problem is Linux
A computational instruction with operands is command so computational instructionis just a opcode.
B. opcode
A search stagey is useful because you can make complicated searches easily and also get reliable data.