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.
What Is an Sap System? SAP software is software that will help you manage your small, medium or large business. SAP provides software tailored to fit different aspects of your business. The software is modular, thus allowing you to implement part of the solution first, then continue implementing other parts later.