Question

what is cloud computing? urgent plz

Answer 1

Cloud Computing enables people to store data and use software programs on the Internet,rather than on their own computers.For example,people might use a word processor on a website instead of a word processing program installed on their own computers.People can also store music,photo collections,and other large files on an Internet account.They can then access such files and programs from any computer.The term cloud computing refers to the diffuse manner in which computing tasks and resources on the Internet are spread among various computers.Multiple people can easily collaborate on a single document stored on ''the cloud''.

Answer 2

Buying hardware and downloading or purchasing a lot of software products and installing them and maintaining them, has been the way of using hardware and software by the users or customers.  This method is product oriented.

Cloud computing changes that system. It is more service oriented than product oriented. A client wants to use a service from a service provider. It can be to use a office automation software/spreadsheet program across the internet provided service provider. But the service provider may not have any infrastructure of its own. The company may use an infrastructure provider who uses a number of resources software, hardware, applications, peripherals, networks, storage devices to offer the service. All these resources may be under what is called as a cloud.

Some part of an application may be run by one computer and another may be by another. Storage may be done on some other computer. Depending on their load and availability the various resources may be combined to offer the service to the client.

This method may increase, uptime, reduce the completion time, reliability. It exploits the different capabilities of different computers for a combined high performance.