Cloud Computing is a style of computing in which
business processes, application, data and any type of IT
resource can be provided as a service to the user. It is a
construct that allows you to access applications that
actually resides at a location other than your computer or
other internet connected device. Cloud computing get its
name as a metaphor for the internet. Typically, the
internet is represented in network diagram as a cloud. (A
metaphor is an imaginative way of describing something
by referring to something else which is the same in a
particular way. Cloud computing has become a significant
technology trend, and many experts expect that cloud
computing will reshape information technology (IT)
processes and the IT marketplace. Cloud computing
allows consumers and businesses to use applications
without installation and access their personal files at any
computer with internet access. This technology allows for
much more efficient computing by centralizing storage,
memory, processing and bandwidth.