Dedicated server is a server that is hosted by a company and only allows one client company to access the server. The word "dedicated" comes from that It is "dedicated" to the one client and is not allowed to be used by any other clients.
A dedicated server is used to host applications and services. It is hosted by an organization and allows the access of one company. The server is operated by the backend provider in exchange for a fee. The client can also remotely connect with the server to perform a server based issue.
Clients of an hosting company usually pay monthly, quarterly or yearly fee for the use of a dedicated server.
Dedicated server helps the user to save money over; hosting, maintaining and managing on-site servers in their own.
In most cases, the hosting company deals with most of the maintenance issues on the dedicated server of the client.
Operating system updates,
Updates to any installed applications,
Monitoring of the server and applications,
Intrusion detection and prevention,