What is the largest information and communication engineering exhibition in the world at present?

CeBIT .CeBIT is the world's largest information and communication engineering exhibition, which mainly displays innovative achievements in the fields of digital IT, home and office communication solutions for industry, wholesale, retail and trade. CeBIT is the abbreviation of Office and Information Technology Center, also known as "CeBIT Information and Communication Technology Expo", which is an international large-scale exhibition focusing on information technology (IT industry) and information engineering (IE industry).