client server applications:The term client/server was first used in the 1980s in reference to personal computers (PCs) on a network. The actual client/server model started gaining acceptance in the late 1980s. The client/server software architecture is a versatile message-based and modular infrastructure that is intended to improve usability flexibility interoperability and scalability as compared to centralized mainframe time sharing computing.
A client is defined as a requester of services and a server is defined as the provider of services. A single machine can be both a client and a server depending on the software configuration
Web applications are popular due to the ubiquity of the browser as a client sometimes called a thin client. The ability to update and maintain Web applications without distributing and installing software on potentially thousands of client computers is a key reason for their popularity
sudhakar
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