What is cloud computing? What are its main advantages and challenges?

In the 1950s, companies started using large computers, but buying a computer per user was very expensive. Therefore, a process called Time Sharing was later developed to make more efficient use of the expensive processor time on the mainframe. This idea represented the first use of shared computing resources, and the basis of what we use today called cloud computing. What is cloud computing? Cloud computing is a term for anything that involves providing services over the Internet, so named because the information that is accessed resides remotely in the cloud (a term to describe the Internet), where companies that provide cloud services enable users to store files, applications, and access They are located on remote servers, meaning that the user can access these services from anywhere as long as he has an internet connection. In other words, cloud computing takes all the heavy lifting that

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