Cloud computing is a system of web-based computing resources. These computing resources may vary in nature and consists of pure hardware resources such as processor, storage, network cards and software resources such as programming environments, developer tools and more. Cloud computing is for all. For most of us cloud computing mean using a cloud-based service or application such as this blogger or email.
Cloud Computing resources examples
Service - web based email such as Gmail
Storage - web hosting
Developer environment - Public Clouds