App is a short for Application, so yes.
The J2EE application server is the server in which the j2ee application would run. Without the server a j2ee application cannot run. Some famous j2ee application servers are: a. Websphere b. Weblogic c. Tomcat d. etc
application server
WebLogic server uses a Web Logic Scripting Tool. Oracle Application Server uses both the Enterprise Manager Command-Line Utility tool and the Oracle Process Manager and Notification Server tool.
Server Manager
IBM WebSphere Application Server was created on 2000-08-31.
MQ Server is where you have your Queue Manager defined to server application programs.
in Active Directory server roles, computers that function as servers within a domain can have one of two roles: member server or domain controller. A member server is a computer that runs an operating system in the Windows 2000 Server family or the Windows Server 2003 family, belongs to a domain, and is not a domain controller. Member servers typically function as the following types of servers: file servers, application servers, database servers, Web servers, certificate servers, firewalls and remote-access servers.
By storing software on the application server, the application needs to be installed or upgraded on each client computer only one time
A web application can be deployed online via a server. You will need to pay in order to purchase a server.
Server's function is to respond for the client's application requests
This isn't something you want to avoid. Quite the contrary, in fact. Application server clustering is a method that makes it so that if a primary application server fails, a backup can seamlessly take over the functions of the failed server.