Definition of cloud computing

cloud computing is a world wide scope that requires as useful services over the internet.these services are divided into three categories 1) Infrastructure as a service 2)platform as a service 3)software as a service
  cloud computing represented the internet diagrams and flow charts and it was inspired by the cloud symbol.there are public cloud and private cloud.public cloud sells service to anyone on the internet.private cloud is an unincorporated business owned by a single person who is responsible for its liabilities on its entitled to its profits.the main goal of cloud computing is to make easy,comfortable and capable access to computing resources and it resources.cloud computing changes the view of point of IT.Today cloud computing is great commercial for company.
                                                                     In simple way cloud computing is more advanced or mature stage of IT service.