The present explosion in the use of microprocessors interest in compiling has re-emerged, particurlarly interest in compiling system-programming languages. The basic machine language of a digital computer or controller are invariably very primitive compared with the complex functions that occur in mathematics, engineering, and other disciplines. The requirement of this project is to implement a C compiler. The material presented in this thesis are arranged in 2 main area : Compiler Model and Implementation. The Compiler Model is covered in chapter 2, involves the architecture and language theories of a compiler. Chapter 3 presents the compiler implementation. Finally, conclusion and suggestion are covered in chapter 4.