What are the service applications used in Sharepoint 2010?

What are the service applications used in Sharepoint 2010?

- Service applications provide functionality to the web sites that allows service and web application to run on the farm server.

- User profile synchronization service provides an easy way to manage the profiling of the users and it also allows the management of the search indexing engine.

- Service applications can be deployed on one server and the load balancing can also be done across many servers that are situated in a farm.

- Service applications are independent such that its configuration is managed according to the operating nature of the farm.

- Service applications have their own set of processes that requires certain amount of computer resources to operate the database related queries.