Designed as a tutorial, this book presents the general computer architecture of the X86 microprocessor, individual addressing modes, a brief introduction to the C programming language for later utilization with assembly language, stack operations, procedures, arrays, macros, and input/output operations. It discusses how to write programs in the X86 language, the C programming language, and the X86 assembly language modules embedded in a C program. All designs are carried through to completion-nothing is left unfinished or partially designed. The book includes problems of to be designed by readers and supplies an appendix with solutions to select problems.