Cloud computing refers to the delivery of computing services over the internet, providing on-demand access to a shared pool of resources, such as servers, storage, and applications. It enables businesses and individuals to utilize powerful computing infrastructure without the need for investing in costly hardware and software. Cloud computing offers scalability, allowing users to easily scale up or down their resources based on their needs. It also provides flexibility and mobility, enabling users to access their data and applications from anywhere, using any device with an internet connection. With features like data backup, security, and remote collaboration, cloud computing has become an essential technology for businesses, facilitating cost-efficiency, innovation, and streamlined operations.