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CHAPTER
                  CLOUD COMPUTING                                                                          6                                          WHAT IS CLOUD COMPUTING?


                                                                                                                                            In computers,  we use  the term  cloud  to  represent  a
                                                                                                                                            network or internet. The term cloud is used for various
                                                                                                                                            services like storage, servers, etc. Cloud computing is an
                                                                                                                                            Internet-based  service  that  helps  users  get  the  shared
                                                                                                                                            resources, software, and information over a network on
                                                                                                                                            demand. It also helps users store and access the data

                                                                                                                                            and services. It is not required to install all the software
                                                                                                                                            or resources for accessing them. We can use these services directly through a remote server and
                                                                                                                                            web-based applications. The information and data can be accessed from anywhere at anytime.


                               Shweta, you take  quite  a lot  of            Topics Covered                      95%                        BENEFITS OF CLOUD COMPUTING
                               photographs. Do you know where                    What is Cloud Computing?                                   Following are some benefits of cloud computing:
                               they are stored?                                  How Does Cloud Computing Work?
                                                                                 Cloud Storage Service Providers                                Easy Accessibility: Cloud services are available and accessible globally to everyone who has
                                                                                 Storing Data Using Cloud Computing                             a computer or any device with an Internet connection. No specialised hardware or software
                                                                                 Sharing Files                                                  is required.
                  That's so simple, they are stored in                           File Shared with You                                           Cost-effective: One has to pay minimal to no subscription charges to avail the services. It
                  mom's phone.                                                   Types of Cloud Services                                        saves us from buying expensive specialised hardware or software.

                                                                                                                                                Flexibility: The services provided by cloud computing are available 24 hours a day and seven
                                                                                                                                                days  a week, and can also allow us to  increase  and decrease  computing  needs,  hence,
                                                                                                                                                providing users with the flexibility to work as per their requirements.
                                 Yes, but have you ever wondered, what happens if your mom's phone runs out                                     Shares Workload  with User:  The user’s computer  is not  burdened  with different types  of
                                 of space?                                                                                                      software and programs, and the space required for software is lifted off  the user’s memory.



                                                                                                                                                      HOW DOES CLOUD COMPUTING WORK?
                  Well, I never thought of it. What would happen if her phone runs out of storage?
                                                                                                                                            Cloud computing can be divided into two sections: the front end and the back end. The Internet

                                                                                                                                            is the link that joins both these ends. The front end belongs to the users/clients from where they
                                                                                                                                            access the Internet for data, and the back end belongs to the cloud computing provider.
                                 If your mom's phone runs out of space then it won't work anymore. But we can                               The front end includes computers, simple applications, and all means required to access the cloud

                                 use cloud computing to store the data on online servers.
                                                                                                                                            servers. The back end includes various applications and dedicated servers for each computer
                                                                                                                                            program. This gap between the client and the cloud is then bridged by the Internet.

                                                                  Cloud computing! What is that?

                                                                                                                                                      CLOUD STORAGE SERVICE PROVIDERS


                                 Cloud computing is a technology that allows you to use different applications and                          Cloud computing provides a facility to store, organise and edit data through the network. The
                                 features through the Internet. In this chapter, I will tell you more about this.                           data can also be shared with others using cloud storage. There are many service providers that
                                                                                                                                            give the facility of cloud storage. Let us discuss some of them.




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