This document provides an introduction to cloud computing. It defines cloud computing as using remote servers hosted on the internet to store, manage, and process data rather than a local server or computer. This allows secure access to applications and data from any network device. It then discusses the history of computing from mainframes to personal computers to today's cloud computing. The document outlines key advantages of cloud computing like agility, access from anywhere, backup capabilities, cost effectiveness, and collaboration. It also notes potential disadvantages such as reliance on internet connectivity, security risks from hackers, speed depending on internet connection, and technical issues.