42 Engineering services, design and development services for computer hardware, computer programs, integrated circuits, microcontrollers, computer chips, design of programs for computers and microprocessors, microprocessor programming, computer programming services, design, development and technical study of computer systems, design, development and technical study of data exchange systems, technical support in the field of data communication, remote monitoring services for computer systems, design, development, customizing, updating of reading devices, computer software and computer programs, design, development, customization and technical study of smart cards and electronic cards, integrated circuit cards (smart cards), microcircuit cards, magnetic cards, memory cards, contactless cards, research and development of new products for others, information services, consultancy services, advisory services in connection with computers