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This book is an essential guide for computer science students in schools and colleges, designed to bridge the gap between theory and real-world application. A hands-on approach equips learners with the practical knowledge needed to navigate the rapidly evolving tech landscape. Each chapter is packed with real-life examples, exercises, and activities, making it easier to understand complex concepts and see how computers impact various aspects of modern life. Whether you?re brushing up on a new job, planning a career change, or simply curious about using technology to simplify daily tasks, this book provides a solid foundation. With its accessible language and practical insights, it?s suitable for both beginners and those looking to refresh their skills. Some of the key topics covered include: ? Core Concepts of Computer Hardware and Software: Gain a fundamental understanding of how computers work, from the basics of hardware components like processors and memory to essential software applications and operating systems. ? Programming Fundamentals and Coding Skills: Dive into the programming world with step-by-step introductions to popular coding languages, problem-solving techniques, and algorithm design, providing you with the skills to write and debug your code. ? Data Management and Databases: Learn how to organize, store, and retrieve data efficiently using databases, an essential skill in almost every industry today, focusing on SQL and data structuring. ? Networking and Internet Basics: Understand how computers connect and communicate, exploring topics like internet protocols, wireless networks, and the basics of cloud computing that keep today?s digital world running smoothly. ? Cybersecurity Principles and Safe Online Practices: Protect yourself and your data with essential cybersecurity knowledge, including tips on safe browsing, recognizing threats, and understanding the basics of encryption and firewalls.

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Mohammad Mehdi Hassani received his M.Sc. degree in computer engineering from Iran University of Science and Technology, Tehran, Iran, and the Ph.D. degree in computer engineering from Iran University of Science and Technology, Tehran, Iran. He is an assistant professor and a faculty member of Islamic Azad University, Ayatollah Amoli branch. Mohammad Mehdi Hassani has published several books and articles in computer engineering and presented at conferences at various national and international levels. His research interests are Cognitive Radio Network, Network on Chip and Mobile communications including adaptive algorithms, smart antenna, and cognitive radio networks.

Mehdi Manoochehrzadeh is a Ph.D. holder in Teaching English as a second language. He holds the position of director at an English language institute in Canada, where he has successfully trained numerous students. In addition to his role as an educator, he has also worked as a teacher at various English language institutes. He has shared his knowledge and expertise by presenting several research papers at both national and international conferences. His academic interests lie in language learning strategies, teacher education, and the willingness to communicate effectively.

Hamed Barjesteh an associate professor of Education and applied linguistics at Islamic Azad University, Ayatollah Amoli branch, has been a teacher educator for two decades. He has authored numerous books and articles on English language teaching for learners of all ages and has shared his expertise at both national and international conferences. Barjesteh has also mentored teachers, supervised numerous MA theses and Ph.D. dissertations, and currently leads the English Language department. Additionally, he serves as an editor and reviewer for various academic journals and conferences. His research focuses on critical language pedagogy, thinking skills in language learning, Critical Language testing, dynamic assessment, and corrective feedback.

Neda Fatehi Rad is an Associate Professor of Applied Linguistics (TEFL) at Islamic Azad University, Kerman Branch, Iran. With a strong focus on graduate-level education, she specializes in Language Testing, Research Methodology, and Language Teaching. Her academic interests center around Teacher Education, Cooperative Learning, and Language Assessment. Over her career, she has authored 107 papers in both international and national journals and has published 12 books covering topics such as translation, language learning, research, and teaching.