In this study we will describe the types of diseases that often attack the skin. The skin is a very sensitive organ of the body and susceptible to disease. This study uses a dempster-shafer method that is used to diagnose symptoms of skin disease. The dempster-shafer method in this study uses rule based obtained from dermatologists. The results of this study were able to produce an accurate diagnosis of 68.8% using trial sample data. The dempster-shafer method can be applied in the diagnosis of skin diseases.
student learning performance influences the quality of a university. One indicator of assessment of student learning performance is the student’s study period. By predicting the student’s study period, universities can evaluate performance to strive to improve the quality of universities. Data mining is one of the choice technique in terms of predictions. But, each algorithm in data mining has the advantages of each, including Decision Tree and Naïve Bayes Algorithm which were tested in this research. This research shows Decision Tree is better than Naïve Bayes Algorithm to be the best choice to predicting study period with accuracy level tested for several ratios of training data and test data are 60:40,65:35,70:30,75:25 and 80:20 produce the highest accuracy values obtaines by decision tree with accuracy values are 90%, 89,14%, 89,3%, 88,8% and 88%. But, the amount of training data in this research does not affect the value of accuracy. This is shown from the value of accuracy in a certain ratio is very small but sometimes also the value of accuracy is high
Pandemi Covid-19 mengubah sistem pembelajaran tatap muka (luring) menjadi pembelajaran online (daring). Tujuan pengabdian ini adalah untuk melatih guru SMA Plus Muhammadiyah dalam pembuatan media pembelajaran interaktif menggunakan iSpring Suite. Metode pelaksanaannya adalah obsevasi ke sekolah, sosalisasi tentang pembelajaran interaktif kepada guru, pelatihan pembuatan media pembelajaran interaktif dalam bentuk vidio pembelajaran, power point yang interaktif dan menarik berbasis flash, pembuatan soal latihan yang mewakili setiap indikator pembelajaran serta evaluasi atas ketercapaian kegiatan. Kendala yang dialami dalam pengabdian, yaitu hari ke-2 dalam pembuatan video, sebagian guru mengalami kesulitan karena spesifikasi laptop kurang mendukung aplikasi sehingga lambat untuk digunakan dan sebagian fitur-fitur tidak dapat digunakan. Pada saat pelatihan pembuatan media pembelajaran interaktif menggunakan Ispring Suite 9, guru senang dan antusias terkait pelatihan tersebut. Pengabdi mengharapkan guru dapat menggunakan Ispring Suite 9 dalam media pembelajaran
In this study an android-based application was produced that can provide dietary information and knowledge to patients with diabetes mellitus, heart, maag, kidney, and impaired heart function deisease, that for healthy living does not have to be expensive. The habit of consuming liquor, consuming fast food, and rarely doing physical activities is the cause. Diet is the first initial method recommended by doctors to patients. Eating patterns with the right menu, exercise and adequate and regular rest can help the patient’s recovery. Based on 50 questionnaires distributed and returned by patients, 42 of the total 50 patients who went on a diet within 1 month routinely felt a very good recovery in their bodies.
Online learning requires students and teachers to communicate interactively by utilizing information and communication technology, such as computer media with the internet, mobile phones with various applications, video, telephone or fax. Online learning is very suitable to be applied to the outbreak of Coronavirus Disease 2019 . This study aims to determine the difficulties of students in online learning the subject of hydrocarbons. This research is a descriptive study with the instruments used in the form of 15 item questions and a questionnaire of 20 items. From the results of the study, students had abilities with high criteria of 7.92%, students had medium criteria abilities of 3.33%, students had abilities of low criteria 88.75%. Students have difficulty in answering the problem of determining the primary, secondary, tertiary C atom; IUPAC nomenclature of alkanes, alkenes, alkyne, and reactions to hydrocarbons. Face-to-face learning cannot be replaced with online learning because students are not used to independent learning, insufficient facilities, insufficient internet quota. Online learning on the subject of hydrocarbons is not enough to use an android cellphone, but requires a laptop, computer or notebook. Training on the use of Chemsketch or Chemdraw is required in describing the structure and nomenclature of IUPAC. A safe and conducive environment, harmonious parental and family assistance is indispensable in online learning. Student interest and motivation are very much needed in independent learning to be the key to the success of online learning.
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