Plug-in

Plug-in is a hardware or software module that adds specific abilities to a larger software system , in the term of computing. Some different type of plug-in will enable customizing the functionality of an application. Playing videos, scanning for viruses, and displaying new file types are the common plug-in used in the web browser. Have you ever heard of Adobe player, Quick time , Shockwave flash? They are also a part of a plug in !