Based on the guidelines of the exemplary ACM curriculum, this internationally recognized book serves as 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 insightful view of the subject. The third edition is enriched with a wealth of images and detailed examples, while also being revised to cover the latest technological developments, such as the rapid growth of networking and new challenges related to the security of computing systems.

Targeted for educational use, this guide is the ultimate manual for students and instructors, including: Practice material at the end of each chapter (knowledge questions, review questions, problems). Resources for the instructor, including a complete set of PowerPoint presentation files for classroom delivery, as well as solutions for all exercises and practice 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. Behrouz Forouzan, before turning to teaching computer science courses, worked for over a decade in the IT industry. In his twenty years of academic career, he has written eleven books related to Computer Science.