Why abap/4 is 4th generation language ?

Answers: ABAP is the fourth generation language because of allapplications are write on the application server and execute on the server only.all reports are done by using the advanced business language. ABAP refers to as Advanced Business application programming language,is a very high level programming language created by the German software company SAP.ABAP is one of the manyapplication-specific fourth-generation languages (4GLs) first developed in the 1980s. It was originally the report language for SAP R/2, a platform that enabled large corporations.e ABAP programming language was originally used by developers to develop the SAP R/3 platform. It was also intended to be used by SAP customers to enhance SAP applications ? customers can develop custom reports and interfaces with ABAP programming.