This book features high-quality, peer-reviewed research papers presented at the International Conference on Data Electronics and Computing (ICDEC 2025), held at Baderia Global Institute of Engineering and Management, Jabalpur, India, during December 19–21, 2025. The book covers topics in communication, networking and security, image, video and signal processing, cloud computing, IoT and smart city, AI/ML, big data and data mining, VLSI design, antenna, and microwave and control.