Cloud computing

Hello,
can u tell me plz what is cloud computing
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More about cloud computing
  1. A cloud is disk space "offered" to you for storage by a cloud provider. You create an account and thay give you some space on a server where you can store files and access them from anywhere you are.
  2. Cloud computing is a general term for anything that involves delivering hosted services over the Internet. These services are broadly divided into three categories: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS). The name cloud computing was inspired by the cloud symbol that's often used to represent the Internet in flowcharts and diagrams.

    A cloud can be private or public. A public cloud sells services to anyone on the Internet.

    A private cloud is a proprietary network or a data center that supplies hosted services to a limited number of people.

    Watch this Youtube Video for better understanding..

    http://www.youtube.com/watch?v=ae_DKNwK_ms

    Benefits of Cloud Computing
    http://www.onthenetoffice.com/blog/2011/01/the-advent-of-cloud-computing/
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