Description: This book provides a comprehensive overview of cloud computing technologies and their role in powering modern applications. It explores key concepts such as virtualization, distributed computing, service models and deployment models (public, private, hybrid, and multi-cloud). The book emphasizes scalability, flexibility, and cost efficiency that cloud platforms offer for modern businesses and developers. It also highlights cloud-based data storage, security, and automation tools that enable innovation and agility. Designed for students, researchers, and professionals, this book serves as a guide to understanding how cloud computing transforms modern digital ecosystems and enterprise solutions.