Cloud computing is known as Internet based computing, with shared resources, software and information are provided to computers and other devices based on requirement.  Cloud Computing is a Computing in which services and softwares are provided over the Internet (or “cloudâ€). Cloud Computing is a technology used to access services offered on the Internet cloud.
Normally cloud computing is a good way to run your business. Instead of running your softwares yourself in your server, Applications run on a shared data center. When you use any application that runs in the cloud, you just log in, change settings, and start using it. Cloud computing is a simple concept , software and services are delivered over the web and through a browser, with no server or client software to install. Cloud computing tools are available any time, anywhere, from any device connecting to the Internet.
The basic concept of cloud computing is using software via the Internet instead of installing it onto your computer. You use an online company to retrieve a particular program. The abstract image of the cloud refers to the Internet. From this cloud, you can find programs that you want to utilize. Through web browser you can access programs from cloud.
There  two main part of cloud computing are the front and back ends. The front end is what the user sees. This involves the network and applications being used. The back end involves the computers, data storage devices, and servers that compose the cloud. Every web application that you’ve ever used, like Gmail, Google Calendar, Hotmail, SalesForce, Dropbox, and Google Docs, are based on “cloud computingâ€, because when you connect to one of these services, you’re really connecting to a group of servers somewhere out there on the internet.
Cloud Computing Is Dangerous ?
Main fact that cloud computing services are shared all over the world and could be shut down at any time.If any problem in cloud computing server it will affect complete clients connected to that server. The basic fact that you are sharing data with world in big security risk. Example, If I have my server with my data than at least I know that I can protect my data, but if I mix my data with hundreds of servers storing others data as well and if there might be one hole in any application, that will allow a virus to move to the others and it affecting my data. Facebook , Google and other cloud Computing service companies now using more security options for protect user data from external application access.
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