A Web server is a software program which serves web pages to web users (browsers).
A web server delivers requested web pages to users who enter the URL in a web browser. Every computer on the Internet that contains a web site must have a web server program.The computer in which a web server program runs is also usually called a "web server". So, the term "web server" is used to represent both the server program and the computer in which the server program runs.
The basic characteristics of web servers are-
• It is always connected to the internet so that clients can access the web pages hosted by the web server.
• It has an application called 'web server' running always.
In short, a 'web server' is a computer which is connected to the internet/intranet and has a software called 'web server'. The web server program will be always running in the computer. When any user try to access a website hosted by the web server, it is actually the web server program which delivers the web page which client asks for. All web sites in the internet are hosted in some web servers sitting in different parts of the world.
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