Synopsis The Encyclopeadia provides a comprehensive details about Information technology, Computer Science and Cyber laws, from the lowest levels of fundamentals and basics to the highest level of divided into 9 volumes and each volume is complete in itself. The First two volumes provides the Fundamentals of Information technology and Computer Science in a simple and systematic manner, suited for readers, who have not been exposed sufficiently to the subject. The third volume is on Operating Systems Organisation and it provides a clear description of the concepts that underline the operating systems. Software Engineering is described in the fourth volume, intended to serve as a guide to a maturing engineering discipline. Fifth volume is related to Computer System architecture. The intent of this volume is to provide a thorough discussion of the Fundamentals of Computer Organisation and Architecture and to relate these to contemporary design issues. Sixth volume describes Data Communication and Networks in such a way that it is easily accessible to students without technical backgrounds white providing substance comprehensive enough to challenge more experienced readers. Database Management Systems and Internet technologies and Applications are discussed in the seventh and eight volume respectively. Finally, the ninth volume on Cyber laws examines in detail the legalities of safeguard against cyber crimes and provides a useful profile of the technology and counter technology to give effect to Cyber Laws.