This book is devised for students of PGDCA, BCA, B.E.,(IT), B.Sc.(CS), B.Tech.(CS &IT), M.Sc.(CS & IT) and MCA courses offered by Computer Sciences, Computer Engineering and Information Technology department in Colleges and universities. This book will also serve as a textual resource in vocational training courses offered by many colleges.

• Students-friendly. The book is written in clear, concise and lucid manner.
• Independent thinking and research on the subject imparts a practitioner`s perspective to it and makes the text thoroughly enjoyable.
• All ideas and concepts are presented with clear examples.
• Historical perspective describes components, system, or events from the past.
• Text is well structured and well supported with suitable diagrams.
• Coverage of new and emerging topics.
• Inter-chapter dependencies are kept to a minimum.
• Chapter objectives, summary at the end of each chapter, and review questions.