This document provides an in-depth understanding of the role of Accounting Information System (AIS) in today's information-intensive organizations. It explores the components of AIS, benefits of information technology to AIS, and the characteristics of useful information. It also discusses how AIS adds value to an organization and improves the effectiveness and efficiency of its value chain. Additionally, it covers the tasks performed by AIS, how it determines the value of information, and the benefits of an integrated enterprise system. Finally, it explains the vital functions of accounting system servers.