This book aims to introduce the Computer Skills course is to impart training for students in Microsoft Office component like MS Word and MS Excel. It also concenterate how to manage the data in Database Management System. Here the Electronic Data Interchange was also created to ease the management and flow of transaction information. Unit-I describes the basic concepts with practical knowledge of a Word Processing and Excel Package. Unit-II provides the concepts of Database Management Systems. Unit-III concentrate on how to acquire the knowledge in Electronic Data Interchange transaction process. Unit: IV provides the knowledge about the basics and significance of Internet. Unit-V introduce the concepts of Information System Auditing.