Development of Laerning Media Using Interactive Multimedia Subject Assembly on Computer in SMKN-8 Padang

The aim of research to develop an Interactive Multimedia good for the subjects of computer assembly and Networking Computer Engineering Department at SMK N 8 Padang. This study research and development by the method of Instructional Development Institute (IDI). This study begins by defining the problems that occur in the learning process, and continued to develop a multi-media interactive learning is able to overcome the problems. Furthermore, the resulting media testing the validity, practicalities, and effectiveness. Research result ; (1) Providing an Interactive Multimedia on the subjects of computer assembly majoring in computer engineering and networks, (2) Multimedia Interactive declared invalid on the content aspect with good criteria (72.8%), and the aspect of the design is very good (74.9%), (3) Test practicalities of interactive Multimedia based on the response of Master stated practical with a value of 89.38%, while on the practicalities of interactive Multimedia based student response is otherwise very practical with a value of 90.28%, and (4) Effectiveness of instructional media interactive multimedia in terms of the percentage complete learn student of 32 students, there are 28 students with grades above KKM and 4 students with grades below KKM with a percentage of 87.5%.