This book constitutes the refereed proceedings of the 7th International Conference on Information Technology, CIT 2004, held in Hyderabad, India in December 2004. The 43 revised full papers presented were carefully reviewed and selected from more than 200 submissions. The papers are organized in topical sections on computational intelligence, neural networks, communication networks, mobile and ad hoc networks, security, databases, software engineering, signal and image processing, and internet and web-based computing.