Cloud computing is the delivery of computing as a service rather than a product,
where by shared resources, software, and information are provided to computers
and other devices as a utility over a network (typically the Internet). Clouds can be classified as public, private or hybrid.
The idea of an "intergalactic computer network" was introduced in the sixties by J.C.R. Licklider, his vision was for everyone on the globe to be interconnected and accessing programs and data at any site, from anywhere, explained Margaret Lewis, product marketing director at AMD.
Other experts attribute the cloud concept to computer scientist John McCarthy who proposed the idea of computation being delivered as a public utility, similar to the service bureaus which date back to the sixties.
well in simple terms wherever you go, your data goes with you. I am not talking about the physical device(for example a pen drive) that you carry. All your data is basically stored in company’s Hard Disk Drive at a completely different location(another country), and that data can be accessed from anywhere in the world, with an internet connection.
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