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All Journal Jurnal Informatika Ekonomi Bisnis Jurnal Mesin Nusantara
Rahman, Maulana Abdul
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Analisis Kepuasan Pengguna Aplikasi ANBK Menggunakan Metode EUCS Rahman, Maulana Abdul; Prasetio, Egi Ibnu; Pakaja, Fachrudin
Jurnal Informatika Ekonomi Bisnis Vol. 7, No. 3 (September 2025)
Publisher : SAFE-Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37034/infeb.v7i3.1232

Abstract

Computer-Based National Assessment, also known as ANBK, is a national education evaluation program that was launched as a replacement for the National Exam (UN) in Indonesia. ANBK is used to comprehensively capture the process and quality of learning outcomes from primary and secondary school levels. However, its implementation requires adequate technological infrastructure and a reliable application system to ensure the smooth implementation of the exam in various regions. Thus, it is important to ensure that the ANBK application system is easy to use, efficient, effective and satisfying for all users, including students, teachers and school administrators. The achievement of this research is to investigate the level of user satisfaction and obtain significant variables that have an impact on user satisfaction of the ANBK Application. This research method applies End User Computing Satisfaction (EUCS) in a quantitative way and dissemination of questionnaires to obtain information from the object of research. The population in this research is ANBK users. The population was 50 respondents using saturated sampling technique and questionnaire dissemination was carried out online. The data collected was processed with the Microsoft Excel LTSC program and PLS-SEM operating variable tool. As a result, there are 5 paths tested, H0 is rejected for two variables and H0 is accepted for three variables. There are two variables that have a significant effect on ANBK application user satisfaction, namely: accuracy and timeliness.
Analisis Pengaruh Temperatur dan Rasio Air–Minyak terhadap Karakteristik Nyala pada Konversi Termal Minyak Jarak Sahbana, Muhammad Agus; Sudibyo, Agus; Susipta, I Nyoman; Rahman, Maulana Abdul
Jurnal Mesin Nusantara Vol 8 No 2 (2025): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v8i2.22687

Abstract

Dalam proses konversi termal minyak jarak (Jatropha curcas L.) melalui pemanasan langsung tanpa katalis, pengaruh temperatur dan rasio air-ke-minyak terhadap karakteristik nyala dipelajari dalam penelitian ini. Minyak jarak digunakan sebagai bahan baku, dengan rasio air-ke-minyak 1:1 dan 2:1, dan suhu operasi antara 200 dan 400 derajat Celcius. Untuk menganalisis karakteristik nyala, rekaman video nyala api pada ujung pipa reaksi dan ekstraksi frame representatif digunakan. Komposisi warna merah, kuning, dan biru digunakan untuk menunjukkan hubungan antara spesies hasil reaksi. Hasil penelitian menunjukkan bahwa perilaku nyala sangat dipengaruhi oleh temperatur dan rasio air-minyak. Dalam rasio satu ke satu, intensitas relatif warna biru meningkat secara signifikan dan mencapai kondisi paling dominan pada 350 °C, menunjukkan kecenderungan yang lebih stabil untuk menghasilkan hidrogen. Di sisi lain, dalam rasio dua ke satu, intensitas relatif warna biru lebih rendah dan cenderung menurun pada temperatur tinggi, menunjukkan dominasi proses pirolisis dan pembakaran tidak sempurna. Penelitian ini memberikan pemahaman awal tentang bagaimana temperatur, rasio campuran, dan karakteristik nyala berpengaruh pada konversi termal minyak jarak. Ini juga berfungsi sebagai dasar untuk pengembangan metode untuk membuat hidrogen berbasis minyak nabati.
Co-Authors Agus Sudibyo Fachrudin Pakaja I Nyoman Susipta Muhammad Agus Sahbana Prasetio, Egi Ibnu