What is server and How it is Work ?

 What is Server

Server is a computer which present on remote place and using the internet we use this to process.

A server is a computer or system that provides resources, data, services, or programs to other computers, known as clients, over a network. In theory, whenever computers share resources with client machines they are considered servers. There are many types of servers, including web servers, mail servers, and virtual servers. An individual system can provide resources and use them from another system at the same time. This means that a device could be both a server and a client at the same time.

servers were often single, powerful computers connected over a network to a set of less-powerful client computers. This network architecture is often referred to as the client-server model, in which both the client computer and the server possess computing power, but certain tasks are delegated to servers. In previous computing models, such as the mainframe-terminal model, the mainframe did act as a server even though it wasn’t referred to by that name.

How Server Work

At the most basic level, a server is a repository for web pages that respond when someone requests a certain website.

This request is simply the act of entering the web address into a browser and hitting return. The server monitors these requests via ports, giving their response nearly instantly to deliver the site page requested.

Once the server has received and verified the request at-hand, it gathers the assorted elements that make up a website and communicates this assembled information back to the user’s web browser.  At its core, request-response is the key to what work a server does, day in and day out.

For example, Microsoft’s Windows Server operating system provides the functionality to listen to and respond to client requests. Additionally installed roles or services increase which kinds of client requests the server can respond to. In another example, an Apache web server responds to Internet browser requests via an additional application, Apache, installed on top of an operating system.

Type of Server

There are many server and all server had different work as

Web servers

Web server is most popular server which use to host the website.

One of the most abundant types of servers in today’s market is a web server. A web server is a special kind of application server that hosts programs and data requested by users across the Internet or an intranet.

Web servers respond to requests from browsers running on client computers for web pages, or other web-based services. Common web servers include Apache web servers, Microsoft Internet Information Services

File servers

Multiple clients or users may share files stored on a server. In addition, centrally storing files offers easier backup or fault tolerance solutions than attempting to provide security and integrity for files on every device in an organization.

A file server is a computer responsible for the storage and management of data files so that other computers on the same network can access the files.

It enables users to share information over a network without having to physically transfer files.

Application servers

Application servers often run resource-intensive applications that are shared by a large number of users. Doing so removes the need for each client to have sufficient resources to run the applications. It also removes the need to install and maintain software on many machines as opposed to only one.

In Application Server there is two types of sub server present like:

DNS servers,

Mail servers,