What Is a Computer Server?

Web Server

A web server is a program that, using the server model and the World Wide Web's Hypertext Transfer Protocol (or HTTP), serves the files that form Web pages to Web users.

File Server

a File Server is a device which controls access to separately stored files, as part of a multi-user system.

Print Server

A print server is a device that connects printers to client computers over a network. It accepts print jobs from the computers and sends the jobs to the appropriate printers, queuing the jobs locally to accommodate the fact that work may arrive more quickly than the printer can actually handle it.