What are you asking in particular? Is it an assembly in terms of c# / .Net ?
Try to be clear before posting questions, and not to do intend to increase your post count?
If You are Asking about assembly language! then an assembly language is a low-level programming language for microprocessors and other programmable devices. It is not just a single language, but rather a group of languages. Assembly language implements a symbolic representation of the machine code needed to program a given CPU architecture.
The OP has long since received the answer