What is server and what is the purpose is used for?

Server or server computer is also a designation for computer models intended for use running server applications, often under heavy workloads, unattended, for extended time. While any "workstation" computer can run server operating systems and server applications, a server computer usually has special features intended to make it more suitable. Distinctions often include faster processor and memory, more RAM, larger hard drives, higher reliability, redundant power supplies, redundant hard drives


A computer or device on a network that manages network resources because servers can perform many different actions, or services to its clients.
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A Computer or computer program which manages access to a centralized resource or service in a network. 
which provides a service to a client and server have more processing power, memory and storage than client computers 
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