The important thing in each communication system is to develop and favor, through the use of the computer, the functional aspect that will allow the students to be self-sufficient in the communicative acts that they will have throughout their lives. Although the work turns out to be very risky due to the fact of attending to several communication systems at the same time, the result would be more satisfactory, because in spite of the constant limitations, the main objective was never lost sight of and this was a powerful stimulus to continue with the work.