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Bakhtiyar Hadi Prakoso
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Perum. Griya Mangli Indah Blok AF-18 RT. 02 RW. 04, Kel. Mangli, Kec. Kaliwates, Kab. Jember, Jawa Timur, 68136
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BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer
Published by Sinergis Asa Professional
ISSN : -     EISSN : 27220850     DOI : https://doi.org/10.37148/bios
Core Subject : Science,
Computer Science & IT
BIOS: Jurnal Teknologi Informasi dan Rekayasa Komputer (e-ISSN. 2722-0850) is a scientific journal in the field of information technology and computer engineering managed by the Asa Professional Research & Development Center (PUSLITBANG), Jember, East Java, Indonesia. This journal is managed by lecturers and practitioners who come from various university backgrounds in Indonesia, especially Jember, East Java.The BIOS journal is published 2 (two) times a year, namely every March and September. The BIOS journal published in each edition consists of 5-10 articles per volume. The focus and scope of this journal are in the field of Information Technology and others that are still knowledge related, including: Databases System Data Mining / Web Mining Data Warehouse Artificial Intelligence Business Intelligence Cloud & Grid Computing Decision Support System Human-Computer Interaction Mobile Computing & Application E-System Machine Learning Deep Learning Information Retrieval (IR) Computer Network Multimedia System Information System Geographic Information System (GIS) Accounting information system Database Security System & Network Security Cryptography Fuzzy Logic Expert System Image Processing Computer Graphic Computer Vision Semantic Web e-Health and others related to Information Technology and Computer Engineering.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 86 Documents
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Systematic Literature Review : Perbandingan Algoritma Round Robin dan Shortest Job First dalam Penjadwalan CPU Fadhilah, Ibnu; Siregar, Herbert
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 6 No 2 (2025): September
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v6i2.168

Abstract

The Central Processing Unit (CPU) scheduling is a crucial aspect of operating systems that significantly impacts overall system efficiency. Round Robin (RR) and Shortest Job First (SJF) are two commonly used scheduling algorithms, each with distinct characteristics. Although numerous studies have compared these algorithms, a clear consensus on the superiority of either algorithm across various workload scenarios remains elusive. This systematic literature review aims to analyze and synthesize empirical evidence from prior research (2020-2024) comparing the performance of RR and SJF algorithms. Literature searches on four major databases and study selection using the PRISMA framework with strict inclusion criteria (empirical comparative studies from 2020-2024) yielded eight articles for analysis. The synthesis of results indicates that the SJF algorithm, particularly its preemptive variant (SRTF), consistently excels in efficiency, with an Average Waiting Time (AWT) that can be over 50% lower than RR in some scenarios. Conversely, RR demonstrates superiority in response time and fairness in CPU allocation, though its performance is highly dependent on the time quantum size. The selection of an optimal algorithm is highly contingent upon system performance metric priorities, and these findings provide a foundation for the future development of hybrid algorithms.
Analisis User Experience pada Aplikasi Linkedln dengan Menggunakan Metode SUS Febriani, Ria; Syafrianto, Syafrianto
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 6 No 2 (2025): September
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v6i2.173

Abstract

LinkedIn is one of the professional social media platforms that is widely used for job searching and building a digital personal image. Although its usage is quite extensive, there are still several obstacles in user experience, such as features that are not yet fully understandable and difficulties in understanding the application's usage flow, especially for new users. This situation is the reason LinkedIn was chosen as the research object to evaluate user usability. This research aims to assess the user experience of the Linkedin application using a descriptive quantitative approach and the System Usability Scale (SUS) instrument. Data were obtained from 110 active respondents of Linkedin users through the distribution of online questionnaires. The results of the validity and reliability tests indicate that all question items are valid and consistent. The average SUS score obtained is 62.85, which falls into the 'Marginal' category. which indicates that this application is rated reasonably well by users, but still requires improvements in some aspects to provide a better experience.
Analisis Kerentanan Website SMK Muhammadiyah 2 Bontoala Makassar Menggunakan Metode OWASP (Open Web Application Security Project) Pahlawansah, Haniwijaya; Basmar, Muh. Fahmi; Yusuf, Muhammad
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 6 No 2 (2025): September
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v6i2.180

Abstract

The official website of SMK Muhammadiyah 2 Bontoala Makassar plays a crucial role as a medium for information and services. However, its significance is often not matched by a verified security posture. The primary problem addressed in this study is the potential for unidentified cybersecurity vulnerabilities on the website, which malicious actors could exploit. To address this problem, a systematic vulnerability analysis was conducted based on the Open Web Application Security Project (OWASP) Top 10 framework. The testing process combined automated scanning using the OWASP ZAP tool with manual validation via penetration testing to ensure the accuracy of the findings. The assessment successfully identified several critical security flaws, primarily in the categories of Cross-Site Scripting (XSS) (A03:2021), Security Misconfiguration (A05:2021), and Vulnerable and Outdated Components (A06:2021). These vulnerabilities directly expose the website to risks of data breaches, unauthorized content modification, and service disruption. This study concludes by providing concrete technical recommendations for administrators to mitigate the identified vulnerabilities and strengthen the website's overall security posture.
Ensemble Learning dengan Soft Voting Classifier untuk Klasifikasi Pasien Tifus di Puskesmas Balung Muharom, Lutfi Ali; Irawan, Dudi; Warisaji, Taufiq Timur
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 6 No 2 (2025): September
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v6i2.186

Abstract

Typhoid fever remains a significant public health problem in Indonesia, particularly in areas with limited medical facilities. This study aims to develop an automatic classification model for typhoid diagnosis using an ensemble learning approach based on the Soft Voting Classifier. The model combines three base algorithms, Logistic Regression, Random Forest, and Gradient Boosting, to enhance predictive accuracy. The dataset was obtained from Balung Primary Health Center, Jember Regency, consisting of 510 patient records with typhoid symptoms. Experimental results show that the ensemble model achieved an accuracy of over 92%, outperforming individual models. Furthermore, adequate precision and recall indicate the model’s potential to support rapid and accurate medical diagnosis. These findings demonstrate that the Soft Voting Classifier can serve as an effective tool to assist healthcare workers, especially in resource-limited settings, in improving the quality of typhoid fever diagnosis.
Perancangan Sistem Pengamanan Data Berdasarkan Standar ISO 27001 pada Lingkungan Laboratorium Teknik Informatika Warisaji, Taufiq Timur; Wijaya, Guruh; Kurniawati, Lintang Setyo
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 7 No 1 (2026): March
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v7i1.190

Abstract

This study addresses the problem of inadequate information security systems in Informatics Engineering laboratories, which leads to high risks of data leakage, unauthorized access, and low user awareness of information security. The aim of this research is to design and implement an information security system based on the ISO/IEC 27001 standard to enhance the protection of information assets and establish sustainable security governance. The research employs a descriptive qualitative method consisting of literature review, needs analysis, risk assessment using a Risk Assessment Matrix, system design and implementation of security controls, and system evaluation through penetration testing and user compliance surveys. The results show that the implementation of technical security controls, such as data encryption, firewalls, and access management, significantly reduces data leakage risks and improves user compliance and awareness of information security practices. The study concludes that ISO/IEC 27001 is effective in establishing a structured and sustainable information security management system within the Informatics Engineering laboratory environment
Analisis Sentimen Pergantian Kementerian Keuangan Indonesia dengan Menggunakan Algoritma Support Vector Machine Barki, Haikal Nurul; Aslam, Haidar Aslam; Wibowo, Adhi Prasetyo; Araf, Faqih Al Araf; Musawir, Abdul Hamid
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 7 No 1 (2026): March
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v7i1.191

Abstract

The leadership transition within the Ministry of Finance of the Republic of Indonesia is a strategic event that has triggered various public responses. These reactions reflect the level of public trust in the government’s fiscal and economic policy directions. This study aims to analyze public sentiment regarding the leadership change using the Support Vector Machine (SVM) algorithm as the main classification method. The data were collected from public comments on YouTube videos discussing the Minister of Finance transition. The research stages included data collection, text preprocessing, sentiment labeling, feature extraction using the Term Frequency–Inverse Document Frequency (TF-IDF) method, and sentiment classification using SVM. Model evaluation was carried out through accuracy, precision, and recall metrics. The results show that the SVM algorithm achieved optimal classification performance with an accuracy of approximately 97%. The majority of the public expressed positive sentiment toward the leadership transition, while a smaller portion conveyed negative responses related to uncertainty about future economic policy directions.
Pengembangan Sistem Informasi Manajemen Klinik Gigi Terintegrasi Berbasis Web untuk Optimalisasi Pelayanan dan Rekam Medis Pasien di Klinik Lala Dentist Jember Pratama, Tegar Wahyu Yudha; Jamil, Nur Malika; Maulidya, Anggi; Mustika, Assyifa Itsnainia
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 7 No 1 (2026): March
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v7i1.194

Abstract

Dental health services in Indonesia still face various obstacles, particularly in terms of access, service delays, and an unintegrated medical record system. Lala Dentist Jember Clinic, which serves more than 300 patients per month, also experiences similar problems, because the registration process, recording medical records, reporting, and payments are still done manually. This results in data duplication, service delays, recording errors, and difficulties tracking patient treatment histories. The purpose of this study was to identify the needs of a management information system at Lala Dentist Jember Clinic, design an integrated system according to RME standards with interactive administration and odontogram features, and test its feasibility and effectiveness. The research method used a Research and Development (R&D) approach with a Waterfall System Development Life Cycle (SDLC) model using the PHP/Laravel and MySQL frameworks. The results of this study are an integrated information system according to RME standards with interactive administration and odontogram features that can help the effectiveness and productivity of the clinic's service process, but also contribute to the digital transformation of health in Indonesia by strengthening patient data integration and improving medical information security. The study concluded that the system simplifies registration, queue management, electronic medical record keeping, and the presentation of clinical reports more quickly and accurately. The web-based system also supports real-time data access and minimizes administrative errors, thus optimizing services and improving the quality of clinical management.
Perancangan Aplikasi Web Manajemen Tamu dan Visitor Pass Digital pada Apartemen Eksekutif Menteng Kamasan, I Gusti Agung Ayu Anindya Bulan Shintania; Syafrianto, Syafrianto
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 7 No 1 (2026): March
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v7i1.179

Abstract

The development of information technology demands greater efficiency and security in guest management, especially in high-density residential environments like apartments. This study aims to address the security risks and administrative inefficiencies at Executive Menteng Apartment, where guest recording is still performed manually using physical logbooks. This manual system is prone to data loss, reporting delays, and lack of visitor validation. To solve this, a web-based guest management application featuring a digital visitor pass with QR Code was designed. The development methodology followed the Waterfall model, comprising analysis, design, implementation, testing, and maintenance phases. The research results in a functional web application that automates guest recording in real-time and generates unique QR Codes for visitor validation. System validation was conducted using black-box testing, which confirmed that all features, including multi-role login and report generation, operate correctly. This digital transformation reduces paper usage and significantly enhances the security monitoring of visitors, providing the management with accurate and accessible data.
Pengukuran dan Analisis Capability Level Tata Kelola IT di Laboratorium Teknik Informatika Menggunakan COBIT 5 Rosyidah, Ulya Anisatur; Kurniawati, Lintang Setyo
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 7 No 1 (2026): March
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v7i1.188

Abstract

This study aims to analyze the capability level of Information Technology (IT) governance at the Informatics Engineering Laboratory of Universitas Muhammadiyah Jember using the COBIT 5 framework, considering the increasing volume of data, growing dependence on IT, and the rising risk of cyber threats that may lead to unauthorized access, data loss, and low operational efficiency if IT governance is not properly implemented. The research methodology includes a literature review, in-depth interviews, questionnaire distribution, and direct observation of laboratory activities. The analysis results indicate that most IT governance processes are at Level 2 (Managed), meaning that the processes are documented and systematically managed but not yet fully standardized or optimized. Several critical areas, particularly information security management, still exhibit weaknesses and require special attention. Through the implementation of COBIT 5, the laboratory can assess the alignment of its IT governance processes with best practices and identify areas that require improvement. Therefore, this study recommends the development of standard operating procedures (SOPs), the implementation of regular training for laboratory staff, and the strengthening of routine monitoring and evaluation mechanisms to enhance the effectiveness and maturity of IT governance on a sustainable basis.
Pengembangan Sistem Pendukung Keputusan Berbasis e-Health untuk Skrining Risiko Diabetes Tipe 2 Putro Mudiono, Demiawan Rachmatta; pratama, Mudafiq Riyan; Alfiansyah, Gamasiano; Swari, Selvia Juwita
BIOS : Jurnal Teknologi Informasi dan Rekayasa Komputer Vol 7 No 1 (2026): March
Publisher : Puslitbang Sinergis Asa Professional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37148/bios.v7i1.193

Abstract

Type 2 diabetes mellitus is a growing global health problem that requires effective early screening strategies. This study aimed to develop an e-Health-based Clinical Decision Support System (CDSS) for assessing type 2 diabetes risk using a rule-based scoring method. The system was developed using a prototype-based system development approach, involving requirement analysis, system design, prototype development, and system evaluation. Risk determination was performed using six major factors including age, sex, body mass index, family history of diabetes, hypertension, and history of gestational diabetes based on ADA and PERKENI guidelines. System evaluation was conducted using black box testing to assess functional performance and usability evaluation using System Usability Scale (SUS) involving end users. The developed system successfully generated risk scores, categorized risk levels, and provided follow-up recommendations aligned with clinical guidelines. Evaluation results indicated that the system functions properly and demonstrates good usability performance. Therefore, the proposed CDSS shows potential as a practical e-Health screening tool to support early diabetes detection in primary healthcare settings.

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