Jurnal Informasi dan Teknologi

Determining The Optimal Amount of Bread Production with The Newsboy Problem Method at Adara Bakery and Cake

Fattahillah Rahmanda Harahap — 2025-07-29

Adara Bakery and Cake is one of micro small and medium enterprises that focus on bread production. The problem faced by Adara Bakery and Cake is an excess of products due to a production system that uses a continuous process method, which means that bread is produced continuously without considering the products sold. The objective of this study is to determine the optimal production quantity for the 8 most popular types of bread to be produced by Adara Bakery and Cake, as well as to identify the expected profits when production is at the optimal level. This study discusses the optimal production of the 8 most popular types of bread, namely chocolate brownies, pineapple roll cake, chocolate-topped bread, chocolate banana, black forest cake, slice cake, peanut pie, and dessert, using the newsboy problem method. Based on the research results, the optimal production quantity for chocolate brownies is 141 boxes, for pineapple roll cake is 191 boxes, for chocolate bread is 351 packages, for chocolate banana bread is 335 packages, for Black Forest cake is 237 boxes, for slice cake is 239 pieces, for peanut pie is 1, 779 pieces, and for desserts is 159 pieces. The expected profit for chocolate brownies is Rp 1,252,000, for pineapple roll cake is Rp 1,494,900, chocolate bread is Rp 595, 800, chocolate banana is Rp 532,000, Black Forest cake is Rp 3,890,000, sliced cake is Rp 535,500, peanut pie is Rp 2,538,200, and dessert is Rp 1,141,000.

Readiness Analysis of ISO 9001: 2015 Quality Management System Implementation Using Gap Analysis Method

Khairul Anshar — 2025-07-29

PT Pelindo Multi Terminal is a subsidiary of PT Pelabuhan Indonesia (Persero), which manages port services business in the field of multipurpose terminal operations in Indonesia. which was inaugurated on October 1st, 2021, resulting in a merger between PELINDO I, II, III, and IV. Until now, PT Pelindo Multi Terminal is still following PELINDO 1 regulations, one of which is the implementation of ISO 9001: 2008, which ISO 9001: 2008 has expired in September 2020. Therefore, PT Pelindo Multi Terminal must adjust the Quality Management System (QMS) to the latest version of the standard, namely QMS ISO 9001: 2015, and apply for ISO 9001: 2015 certification in order to maintain the quality of its service. The purpose of this study was to determine the readiness and constraints in implementing and obtaining ISO 9001: 2015 QMS certification. The method used in this research is Gap Analysis. Gap Analysis is a measurement method to determine the gap by mapping the current QMS and comparing it with the ISO 9001: 2015 QMS requirements, to obtain an analysis of the differences between the current QMS at PT Pelindo Multi Terminal and the ISO 9001: 2015 requirements. From the gap analysis results, PT Pelindo Multi Terminal has a readiness level of 88% to complete the ISO 9001:2015 QMS requirements and is ready to convert its QMS from ISO 9001:2008. However, based on the overall research results, there are still requirements, and some work procedures have not been carried out consistently. This is due to the lack of socialization and training on the implementation of ISO 9001:2015 after the merger, and the limited time and lack of human resources in checking internal audits to determine the suitability of SOPs that have been made.

Analysis of Avtur Fuel Usage in Aircraft with an IT Governance-Based Simulation Approach Using the COBIT Model

Wiko Pratama — 2025-07-29

The management of the use of aviation fuel in aircraft is a crucial aspect in the aviation industry, which has a direct impact on operational efficiency and environmental sustainability. This study aims to analyze the use of avtur fuel with an IT Governance-based simulation approach using the Control Objectives for Information and Related Technologies model or abbreviated as COBIT. The COBIT model was chosen for its ability to manage structured information technology governance, so that it can help in optimizing decision-making related to fuel efficiency. The simulations carried out in this study involve various operational scenarios to evaluate the effectiveness of avtur management by utilizing key performance indicators (KPIs) in the COBIT framework. The results of the analysis show that the implementation of COBIT-based IT Governance can improve the efficiency of audit use by improving monitoring, risk management, and data-based decision-making processes. These findings contribute to the development of fuel efficiency strategies in the aviation industry and open up opportunities for the application of similar models in other transportation sectors.

Design of Electric Wheelchair Using Pulse Width Modulation (PWM) Method

Fidyatun Nisa — 2025-07-30

An electric wheelchair is an essential mobility device for individuals with physical disabilities. Unlike traditional manual wheelchairs, which can be challenging for users to operate independently, an innovative PWM (Pulse Width Modulation) based electric wheelchair has been developed and tested. This wheelchair employs an Arduino Uno microcontroller, ultrasonic sensors, joystick input, and motor drivers to control speed and direction effectively. The system utilizes PWM to adjust the motor speed in proportion to the joystick input. Testing demonstrated that the wheelchair's motor responds efficiently to changes in PWM values. Additionally, the system successfully stops the motor when obstacles are detected within 80 centimeters. The ultrasonic sensors demonstrated an impressive measurement accuracy, with an average error of only 1%. Moreover, increasing the PWM values resulted in faster wheelchair speeds, showcasing the system’s ability for responsive speed control. This design provides an affordable and effective solution to improve mobility for users with disabilities.

Optimizing Website Ranking Using Long-Tail Keywords and Internal Linking: A Case Study

Memet Sanjaya — 2025-08-01

This study proposes a structured and cost-effective Search Engine Optimization (SEO) strategy through the application of long-tail keyword targeting and internal linking. Conducted across three websites within the same corporate group, this research investigates how internal links and keyword mapping can collectively improve organic rankings. Each high-volume keyword was developed into long-tail variations and implemented into topic-specific articles, supported by contextual internal and cross-site linking. Website A, as the parent site, was used strategically to distribute link authority to other sites. In a two-month observation, keyword rankings showed significant improvements, particularly for underperforming domains. The results confirm that collaborative SEO using content relevance and internal link equity distribution can enhance visibility without relying on paid backlinks.

Website-based Library Information System at SMK Muhammadiyah Adiwerna

Muhamad Bakhar — 2025-08-01

This study aims to design and develop a web-based library information system to enhance the efficiency and accuracy of library management at SMK Muhammadiyah Adiwerna, Tegal Regency. The main issues previously encountered were error-prone manual recording, slow data retrieval, and difficulties in generating reports. The system was designed using the waterfall method with PHP as the programming language and MySQL as the database. The key features developed include book borrowing and returning records, book and member data management, as well as customized dashboard displays for administrators and users (teachers/students). System testing was conducted using the black box testing method on the main functionalities. The test results indicate that the system operates in accordance with the specifications and user requirements. This system has successfully improved the efficiency, speed, and ease of access to library information.

Application of Artificial Intelligence in Medical Diagnostics: Applications and Implications in the Healthcare Sector

Arnes Yuli Vandika — 2025-08-01

Artificial Intelligence (AI) has emerged as a transformative innovation in the medical diagnostic sector. This study explores the application and implications of AI in healthcare services at RSUD Dr. H. Abdul Moeloek, Bandar Lampung. Using a qualitative case study method, data were obtained through in-depth interviews and participatory observation. The results show that AI contributes significantly to improving diagnostic accuracy and speed, particularly in radiological imaging. However, limitations in technological infrastructure and system integration were found to hinder its optimal use. Furthermore, the readiness of human resources remains a critical factor. Although there is optimism among medical staff, a lack of technical training has led to gaps in understanding and utilization. Ethical and legal concerns also emerged, especially regarding responsibility in case of misdiagnosis and the protection of patient data. The absence of specific regulations and digital ethics protocols presents a major barrier to AI adoption. This research concludes that while the implementation of AI in medical diagnostics shows promising outcomes, it still faces institutional and regulatory challenges. Strengthening digital literacy among healthcare workers, developing standard operating procedures, and building a secure infrastructure are essential. Collaboration between hospitals, academic institutions, and government bodies is needed to create an inclusive and ethical AI-based healthcare ecosystem.

Development of GKM Workspace Application

Hafizah Hanim — 2025-08-14

At the department level, the Quality Control Group (GKM) is an extension of the Quality Assurance Institution. Implementing the Internal Quality Assurance System (SPMI) within the department is GKM's primary responsibility. With reference to the National Higher Education Standards (SN Dikti) and international quality assurance (IQA), the SPMI policy seeks to be a commitment of higher education institutions to sustainably maintain and improve the quality of higher education providers in order to fulfill the vision and mission and satisfy stakeholders through the application of the Tridharma of higher education. In the PPEPP cycle (Determination, Implementation, Evaluation, Control, Improvement), GKM is crucial to maintaining quality standards. GKM keeps an eye on and assesses every application of quality standards. However, the GKM Team has not been able to perform its duties as effectively as they could in its implementation. The restricted amount of time and teams available is one of the causes. This study is to support the GKM's responsibilities, particularly with regard to monitoring and assessment. in order for GKM to perform its tasks more readily, effectively, and efficiently while saving time. The "Development of GKM Workspace Application" research will be used at Andalas University's Faculty of Information Technology's Information Systems study program.

Interpretive Structural Modeling-Based Decision Support System for Marine Tourism Strategy

Kartini — 2025-09-09

Marine tourism in Madura has great potential for economic growth, but its unsustainable management threatens the ecosystem and community welfare. A development strategy is needed that balances economic, social, and environmental aspects. The main challenge is the complexity of sustainable marine tourism development, where various factors are interrelated and require a holistic approach. Previous studies have identified factors that influence marine tourism, but have been lacking in integrating them into a comprehensive decision-making framework. This study aims to fill this gap by developing a Decision Support System (DSS) to help stakeholders formulate sustainable marine tourism development strategies. The main objective of this study is to develop a DSS based on Interpretive Structural Modeling (ISM) to map the relationships between key variables and provide strategy recommendations. The ISM approach is used to identify, analyze, and interpret the relationships between key variables. Data were collected through expert interviews, surveys, and literature studies. The study produced a hierarchical model that describes the influence and relationships between variables, as well as a DSS that is able to provide development strategy recommendations based on priorities and objectives. This study contributes to providing a structured and evidence-based decision-making tool for sustainable marine tourism development in Madura. The originality of this study lies in the integration of ISM into DSS for sustainable marine tourism, offering a new perspective in strategic decision-making.