A Dedicated Server is a type of hosting where one or more servers are leased by a customer or an organization. It is dedicated only to a single user and it is setup as per customer's requirements. RAM, hard disk space, bandwidth, a connection to the router thus a complete server is allocated to the owner which cannot be shared at all. However those whom the owner provides an access can definitely use the server.
Shared Web Hosting is the most common type of budget web hosting. The server is shared among multiple users so it is a very economical solution to host websites. Smae IP and server hostname are shared by all the users sharing the server. If it is high traffic site then opting for Dedicated is always recommended.
