Application server vs Web server

Application Server:

•  It provide the software application with services
•  It serve both http protocol and RMI protocol
• Most of the application server have web server as internal part of them. So application server can do all the web server work.
• Application server used dynamic content.

• Examples of Application server :
• WebLogic Application Server by Oracle 
• WebSphere Application Server from IBM
• JBoss 

Web Server :

•  It used to response the http request
• It serve only with http protocol
• Web server used static content 

• Examples of WebServer:
• Apache HTTP Server is Web Server