This study aims to create an interactive module that meets the requirements Valid, Practical and effective for simulation and digital communication subjects. This research is a Research and Development research conducted at SMK. The test subjects in this study were students of class X SMK Negeri 1 Padang. The results of the assessment of the three validators as a whole were 82.72% so that the validity level could be interpreted as valid. The overall assessment of practicality is 90.51%, so that the level of practicality can be interpreted to be very practical to use, as well as an assessment of the effectiveness of 89.67%, so that thelevel of effectiveness can be interpreted well
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