Computer science teaching is the action, the way of transmitting and helping learners to acquire knowledge linked to Information and Communication Technologies, with the aim of transforming them. By the end of the course, learners will have developed new behaviours in relation to the new information and communication technologies. Computer science teaching also involves training the young learners of tomorrow's society to be able to use the various information and communication technologies to inform themselves and communicate throughout the world. This will be achieved through the teaching they receive in the IT discipline. For finalists in Secretarial-Administration, the book is not only much more oriented towards the notions seen in the previous classrooms, but new notions are also included to prepare the finalist for professional life and approach university without any difficulty whatsoever in the field of IT.