This document provides an overview of cloud computing, including: - Cloud computing uses central remote servers and the internet to maintain data and applications, allowing users to access files and applications from any device. - The main advantages of cloud computing are more efficient computing through centralized resources, lower costs, flexibility, and scalability. - The types of cloud include public, private, and hybrid clouds, with the main difference being who can access the services. - Cloud computing delivers applications, platforms, and infrastructure as on-demand services through software as a service (SaaS), platform as a service (PaaS), and infrastructure as a service (IaaS) models. - The author