本书是一本剖析计算机技术理论与应用知识的书籍, 作者强调, 读者要回归计算机基础知识, 通过理解计算机本质, 提升对计算机的兴趣并快速掌握新技术。全书分为12章, 第1章概述了计算机的三大原则, 讲解了计算机系统的诸多方面; 第2、3章用实验向读者说明了计算机的电路构成与运行机制; 第4章借助流程图表示程序的流程与算法: 第5章重点介绍小流程的算法; 第6章结合了计算机的特性, 用程序来表示数据结构; 第7章结合多种程序员的观点, 对面向对象编程进行介绍: 第8章鼓励了读者动手编写基础的数据库应用程序; 第9章的实验旨在帮助读者深入理解TCP/IP网络; 第10章在阐述数据加密重要性的基础上, 引入了公开密钥加密技术; 第11章详细探讨了XML的本质与内涵; 第12章介绍了用于构建计算机系统的SE方法。本书采用丰富的插图和文字, 将计算机的复杂概念以浅显易懂的形式展现给读者, 帮助他们更轻松地掌握计算机的工作机制和使用技巧。

This book explores the theoretical foundations and practical applications of computer technology, emphasizing the importance of mastering fundamental concepts to deepen understanding, foster interest, and facilitate the acquisition of new skills. Organized into 12 chapters, it provides a structured examination of key topics. Chapter 1 introduces the three core principles of computing and outlines fundamental system components. Chapters 2 and 3 elucidate circuit construction and operational mechanisms through experiments. Chapter 4 employs flowcharts to clarify program processes and algorithms, with Chapter 5 focusing on algorithmic design for small-scale processes. Chapter 6 integrates programming to represent data structures, while Chapter 7 provides a multi-perspective overview of object-oriented programming. Chapter 8 guides readers in developing basic database applications, and Chapter 9 offers experimental insights into TCP/IP networking. Chapter 10 highlights the importance of data encryption, introducing public-key encryption. Chapter 11 examines the core principles of XML, and Chapter 12 outlines software engineering methods for system construction. By combining detailed illustrations and clear explanations, the book demystifies complex concepts, equipping readers with a comprehensive understanding of computer systems and practical skills.