PERT Study Guide with Practice Questions. PERT is a computer adaptive exam. That means that not all test takers will see the same questions, because the computer will show questions of varying levels of difficulty based on the answers to previous questions.
In 1992, SAP released R/3, which represented a switch from mainframe computing to the client-server model, and from a two-tier to a three-tier architecture, in which presentation, applications and data were housed separately. R/3 was a critical product for SAP that launched the company onto the world stage.
SAP R/3 SAP R/3 is the former name of the main enterprise resource planning software produced by SAP AG. It is an enterprise-wide information system designed to coordinate all the resources, information, and activities needed to complete business processes such as order fulfillment or billing.riginally (at foundation), it stood for Systemanalyse  und Programmentwicklung (System  Analysis and Program Development) but  was later changed to  Systeme, Anwendung â¦ en und Produkte in der Datenverarbeitung  (Systems,  Applications and Products in Data Processing).