The results showed that 1) a lesson apps function on a computer network. Efficiency of 77.18 / 71.15 which was higher than the threshold. Expected 70/70 2) lesson apps function on a computer network. An effectiveness index of 0.6394 3) students' learning achievement points higher than before the study. The level of statistical significance. 01, which is based on the assumptions set and 4) the satisfaction of students per class with a lesson apps function on a computer network. Overall the level of satisfaction.