Based on the guidelines of the ACM curriculum, this internationally recognized book is the ideal guide for both computer science students and professionals in the field.

User-friendly and easy to understand, the book covers all the fundamental concepts necessary for a comprehensive and visual understanding of the subject.

The third edition is enriched with numerous images and detailed examples, while also being revised to cover the latest technological advancements, such as the rapid development of networking and new challenges related to computer system security.

Designed for educational use, this guide is the ultimate handbook for students and teachers, including:

- Practical exercises at the end of each chapter (knowledge questions, review questions, problems).
- Resources for the instructor, including a comprehensive set of PowerPoint presentation files for teaching purposes, as well as solutions for all exercises and practical exercise problems.

The scientific editing of the Greek edition was carried out by George Stefanidis, Professor of Applied Informatics at the University of Macedonia, and Alexandros Chatzigeorgiou, Associate Professor of Applied Informatics at the same university.