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Performance Analysis of Lecturers of Computer Science Study, FMIPA, HKBP Nommensen University Pematangsiantar

Natasya Agustina Girsang, Nirma Sintina, Yosia Parapat, Mastiur Verawaty Silalahi, Masni Veronika Situmorang
Abstract: This study aims to assess the performance of lecturers in the Computer Science Study Program at HKBP Nommensen University Pematangsiantar from the perspective of students and identify areas that need improvement to enhance… ce the academic quality of the study program. The study uses a quantitative approach through a survey. The researchers collected data using a five-point Likert scale questionnaire distributed to 103 students of the Computer Science Study Program who had attended lectures. The researchers analyzed five aspects: teaching readiness, teaching materials, teaching discipline, teaching evaluation, and lecturer personality. We analyzed the data using descriptive statistics, calculating the percentage of student responses for each aspect of the assessment. The results of the study show that the performance of lecturers in the Computer Science Study Program at HKBP Nommensen University Pematangsiantar is generally in the good to very good category. The aspects of teaching readiness, teaching materials, teaching discipline, and teaching evaluation received very good ratings. The aspect of lecturer personality was in the good category. However, we must improve lecturer performance in the aspect of research. We must improve productivity, continuity of research activities, and scientific publications. The results of this study are expected to be used as evaluation material and a basis for policy-making for institutions in their efforts to improve the quality of lecturers and higher education in a sustainable manner.

Analisis Pengaruh Ukuran Mata Pisau Serta Variasi Putaran Terhadap Kualitas Dan Kuantitas Pada Mesin Pencacah Daun

Devi Marchelina Siahaan, Sri, Sufriadi Purba, Jhon
Abstract: Processing leaves to make compost is generally still done by chopping using a machete, or many are not chopped, making it difficult for the leaves to decompose or rot. This research aims to determine the results of chopping… ing using a single blade and by varying the size of the blade and varying the rotation speed of the machine. The benefit of this research is to determine the influence of leaf chopper machine components, especially the number of leaf chopper blades, using descriptive qualitative research methods with data collection methods, literature studies and observations. The research location is in the HKBP Nommensen University Laboratory workshop, Pematang Siantar, North Sumatra. The research process took the form of testing carried out in several stages, namely using a single blade by varying the length of the blade and varying the rotation speed of the machine to compare the speed and chopping results. Three trials were carried out each with varying blade lengths of 30cm, 35cm and 40cm and rotation variations of 2500rpm, 3000rpm and 5000rpm. The results are in the form of a comparison of speed and counting results between variations of 30cm, 35cm and 40cm. The test results more effectively lead to variations in blade size of 40cm. And the results of testing the engine rotation speed which is more effective leads to a rotation speed variation of 5000rpm.