The book is structured to guide readers from basic microprocessor definitions to complex system-level designs. Key technical areas include:

by Mohamed Rafiquzzaman is a foundational textbook for students and engineers seeking to understand the hardware and software intricacies of digital systems. First published in the early 1990s and later updated in a second edition (1995), the book remains a classic reference for its detailed coverage of both Intel and Motorola processor families. Core Concepts and Architecture

Detailed analysis of the 8085 and 8086 , extending to more advanced architectures like the 80186, 80286, 80386, and the Pentium.

The Internet Archive provides a "borrow" option for the full text in multiple formats, including PDF and EPUB.

Introduction to data types (signed/unsigned binary, ASCII, floating-point), memory organization, and system bus structures.