This book constitutes the proceedings of the 4th International Conference on Computer and Communication Engineering, CCCE 2024, which took place in Oslo, Norway, during May 24-26, 2024. The 19 full papers included in this book were carefully reviewed and selected from 47 submissions. They are organized in topical sections as follows: Intelligent image analysis and multimedia technology; information network and security; digital communication and information systems; and design and implementation of modern information management systems.