Everything you need to know about Networks, or there about!
A server is a computer that provides data to other computers. It may serve data to systems on a local area network (LAN) or a wide area network (WAN) over the Internet. Many types of servers exist, including web servers, mail servers, and file servers. Each type runs software specific to the purpose of the server
Also if one computer get a wire unplugged or there is a fault with its connection then that affects all of of computers because the data can travel the other way and a break will cause a massive build up of data.