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All Journal Jurnal MESIL (Mesin Elektro Sipil) Jurnal Mahasiswa Ilmu Kesehatan Jurnal Sains Student Research Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer
Fahrul Roji
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Nursing Public Health Other

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Gambaran Motivasi Kepatuhan Radiografer Terhadap Penggunaan Alat Monitoring Dosis Radiasi Personal Thermoluminicence Dosimeter Di Instalasi Radiologi Rumah Sakit Pertamedika Ummi Rosnati Banda Aceh Finzia, Pocut Zairiana; Fahrul Roji
Jurnal Mahasiswa Ilmu Kesehatan Vol. 2 No. 2 (2024): April: Jurnal Mahasiswa Ilmu Kesehatan
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/jumkes.v2i2.1836

Abstract

This study aims to determine the motivation for radiographers' compliance with the personal radiation dose monitoring tool Thermoluminescence Dosimeter at the Radiology Installation of Pertamedika Ummi Rosnati Hospital Banda Aceh. This research is a descriptive study with an observational or non-experimental design with a cross-sectional design and a survey approach with 4 radiographers as respondents to determine the level of motivation for radiographers' compliance and the factors that influence the motivation of radiographers' compliance with the personal thermoluminescence dosimeter radiation dose monitoring tool. Data analysis was carried out univariately. The results of this study indicate that there is motivation for radiographers' compliance with the use of personal thermoluminescence dosimeter radiation dose monitoring tools, namely 75%. and the rest were not motivated by compliance with the use of a personal thermoluminescence dosimeter radiation dose monitoring device, namely 25%, with the characteristics of the respondents being mostly female, 50%. and the remaining 50% are male, and the majority of respondents with an average age of 25-35 is 75%. and the remaining 25% with respondents aged 35-45
EVALUASI PROGRAM PEMBINAAN TIM BOLA VOLI OLEH KOMITE OLAHRAGA NASIONAL INDONESIA KABUPATEN CIAMIS Fahrul Roji; Aan Anwar Sihabudin; Ii Sujai
JOURNAL SAINS STUDENT RESEARCH Vol. 3 No. 4 (2025): Jurnal Sains Student Research (JSSR) Agustus
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v3i4.5910

Abstract

The Indonesian National Sports Committee (KONI) is an authorized institution responsible for the development and advancement of sports achievements in Indonesia. At the regional level, KONI collaborates with the local government in providing facilities, organizing activities, and budgeting funds. One implementation of this role is the development of volleyball teams in Ciamis Regency. Volleyball is a highly popular sport that offers physical, social, and economic benefits to the community. However, the performance of the Ciamis volleyball team in the PORPROV (Provincial Sports Week) event has shown inconsistent results, particularly in the women’s division. This study aims to evaluate the volleyball team development program conducted by KONI Ciamis using a descriptive qualitative approach and the CIPP evaluation model (Context, Input, Process, Product). Data were collected through interviews, observations, and documentation, involving eight informants: the Chair of KONI, Chair of PBVSI, two club owners, two coaches, and two volleyball athletes. Data analysis techniques include: data collection, data reduction, data display, and conclusion drawing with verification. The results show that in the context dimension, the program was formulated collaboratively with clear goals. However, the input dimension still faces challenges in the quality of coaches and limited facilities and infrastructure. The process dimension faces technical challenges such as budget delays. In the product dimension, there are long-term positive impacts, yet the achievements in the women’s division remain suboptimal. Overall, the development program is running fairly well but requires improvements in human resources, facilities, and planning for more equitable and sustainable success.
Analisis Komparatif Performa Algoritma AES Dan RSA Dalam Keamanan Data Digital Berbasis Python Habib Nurfaizal; Abdul Choliq; Fahrul Roji; Ayu Permatasari
BETRIK Vol. 17 No. 01 (2026): Jurnal Ilmiah BETRIK : Besemah Teknologi Informasi dan Komputer
Publisher : PPPM Institut Teknologi Pagar Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36050/wdhsc889

Abstract

Data security is a crucial aspect of digital information exchange. System developers are often faced with the choice between the symmetric algorithm Advanced Encryption Standard (AES), which is fast but has challenges in key distribution, and the asymmetric algorithm Rivest–Shamir–Adleman (RSA), which provides more secure key distribution but incurs higher computational overhead. In addition, studies examining the performance efficiency of these two algorithms across various file sizes and types remain limited. This study aims to analyze the performance comparison between AES and RSA based on encryption and decryption time as well as computational efficiency. The method used is an experimental approach through simulation using the Python programming language with a graphical user interface (GUI). Testing was conducted on various file types and sizes, namely .txt (1 KB, 2 KB), .doc (48 KB), .pdf (97 KB), .png (122 KB), and .jpg (359 KB). The experimental results show that AES tends to be more efficient and faster for medium to large-sized files, while RSA demonstrates more stable performance on small file sizes but is less efficient for larger files due to its computational complexity. Therefore, AES is more recommended for primary data encryption, while RSA is effectively used for secure key distribution mechanisms.
Analisis Pengisian Baterai dan Durasi Suplai Energi pada Sistem PLTS Berbasis Beban Terbatas Fahrul Roji; Irfan Nofri; Pane, Rafsanzani; Sawirman; Irwansyah Putra; Aminah Asmara Dewi
Jurnal MESIL (Mesin Elektro Sipil) Vol. 7 No. 1 (2026): Jurnal MESIL (Mesin Elektro Sipil)
Publisher : Cered Indonesia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/jm.v7i1.1590

Abstract

Penelitian ini bertujuan untuk menganalisis pengisian baterai dan durasi suplai energi pada sistem Pembangkit Listrik Tenaga Surya (PLTS) berbasis beban terbatas. Metode yang digunakan adalah eksperimen lapangan dengan melakukan pengukuran tegangan, arus, dan daya keluaran panel surya selama 7 hari berturut-turut dengan interval satu jam. Data yang diperoleh digunakan untuk menghitung energi yang dihasilkan, energi yang tersimpan dalam baterai, serta durasi suplai energi terhadap beban. Hasil penelitian menunjukkan bahwa sistem d nengan panel surya 200 Wp memiliki kemampuan pengisian baterai yang lebih tinggi dibandingkan panel 100 Wp, dengan persentase pengisian mencapai sekitar 68%, sedangkan panel 100 Wp hanya sekitar 36%. Energi yang tersimpan pada sistem 200 Wp mencapai 818 Wh, lebih besar dibandingkan sistem 100 Wp sebesar 432 Wh. Hal ini berdampak pada durasi suplai energi, di mana sistem 200 Wp mampu menyuplai energi hingga lebih dari 24 jam, sedangkan sistem 100 Wp hanya sekitar 12 jam. Berdasarkan hasil tersebut, dapat disimpulkan bahwa kapasitas panel surya berpengaruh signifikan terhadap jumlah energi yang tersimpan dalam baterai dan durasi suplai energi, sehingga sistem dengan kapasitas lebih besar lebih efektif dalam memenuhi kebutuhan energi pada kondisi beban terbatas.
Co-Authors Aan Anwar Sihabudin Abdul Choliq Aminah Asmara Dewi Ayu Permatasari Finzia, Pocut Zairiana Habib Nurfaizal Ii Sujai Irfan Nofri Pane, Rafsanzani Putra, Irwansyah Sawirman