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Early Marriage in Pagar Alam City is currently still quite high, the Pagar Alam Religious Court only relies on a recap of the number of cases per year to draw conclusions about the early marriage data. This method has limitations in classifying early marriage factors, so the Religious Court has difficulty in monitoring and controlling the occurrence of Early Marriage in Pagar Alam City. The purpose of this research thesis is to produce a classification system for Early Marriage factors using the K-Nearest Neighbor Algorithm to find out what factors influence the occurrence of Early Marriage, the method used in this study is the Cross Industry Standard Process for Data Mining (CRISP-DM) which has 6 stages, namely: Business Understanding, Data Understanding, Data Preparation, Modeling, Evaluation, and Deployment. The testing stage in this study uses Confusion Matrix and BlackBox Testing. The final results of this study indicate that the system can classify Early Marriage factors. The classification model built achieved an Accuracy of 94.12% and a Precise value of 85.71% and a Recall value of 100.00%, while testing using Black Box testing in the form of alpha obtained a feasibility value of 83.2%, so this system is very suitable for use.  

Kesadaran dan kepedulian masyarakat terhadap lingkungan telah mendorong munculnya berbagai inisiatif pengelolaan sampah berbasis komunitas, salah satunya melalui mekanisme bank sampah. Namun pada praktiknya, banyak bank sampah masih mengandalkan pencatatan manual yang berpotensi menimbulkan kesalahan pencatatan, duplikasi data, keterlambatan pelaporan, dan kesulitan pelacakan transaksi. Penelitian ini bertujuan untuk mengembangkan sistem digital pengelolaan bank sampah berbasis mobile android dengan memanfaatkan Low-Code Development Platform (LCDP) sebagai pendekatan pengembangan yang efisien dan ekonomis. Hal ini sejalan dengan harapan pengelola bank sampah terkait penghematan biaya pengembangan, operasional, dan biaya perawatan sistem. Metode Prototyping digunakan sebagai model pengembangan sistem, dimana proses iterasi dilakukan berdasarkan umpan balik pengguna hingga sistem sesuai dengan kebutuhan operasional. Selama fase konstruksi, purwarupa yang dibangun mengalami dua tahap penyempurnaan sebagai hasil evaluasi pengguna terhadap perluasan fitur dan peningkatan fungsionalitas sistem. Evaluasi sistem dilakukan dengan menguji fungsionalitas setiap fitur menggunakan metode uji blackbox, melibatkan dua responden dengan perangkat yang berbeda. Hasil pengujian menunjukkan konsistensi hasil uji untuk setiap responden, seluruh fungsi sistem, termasuk pencatatan transaksi penukaran barang dan penarikan saldo, pengelolaan data peserta, autentikasi pengguna, serta pembatasan hak akses berjalan sesuai dengan perencanaan tanpa ditemui kendala fungsional. Pemanfaatan LCDP dengan metode prototyping memberikan kemudahan dan mempercepat proses pengembangan sistem serta memberikan fleksibilitas adaptasi dalam merespons perubahan maupun penambahan kebutuhan fungsionalitas sistem.

This study aims to design and develop a web-based New Student Admission System (PPDB) Website at MIS Chairul Bariyyah Medan Krio to overcome the limitations of manual registration systems. The method used is Agile, as it supports iterative, flexible, and adaptive system development according to user needs. Data collection techniques include observation, interviews, literature study, and documentation. The system is developed using the Python programming language with the Django framework and MySQL database. The results show that the developed system improves the efficiency of the registration process, minimizes data recording errors, and facilitates real-time management of applicant data. In addition, the Website also serves as an information and promotional medium for the school that can be accessed anytime. Based on Blackbox testing and User Acceptance Test (UAT), the system is proven to run well and is easy to use. Therefore, this web-based PPDB system is effective in improving the quality of Administrative services at MIS Chairul Bariyyah.

Pengelolaan inventaris pada laboratorium kimia yang masih dilakukan secara manual berpotensi menimbulkan berbagai permasalahan seperti kesalahan pencatatan stok, ketidaksesuaian data, serta keterlambatan dalam penyusunan laporan. Kondisi tersebut dapat menghambat efektivitas pengelolaan barang masuk dan keluar serta menyulitkan proses monitoring ketersediaan stok. Penelitian ini bertujuan untuk merancang dan mengembangkan sistem informasi inventory laboratorium kimia berbasis web guna mendukung pencatatan transaksi dan monitoring stok secara lebih terstruktur dan akurat. Sistem dikembangkan menggunakan model pengembangan Prototype dengan pendekatan Object-Oriented serta pemodelan menggunakan Unified Modeling Language (UML). Sistem yang diusulkan memiliki beberapa fitur utama seperti pengelolaan data barang, pengelolaan lokasi penyimpanan, pencatatan transaksi inventori yang meliputi proses IN, OUT, MOVE, dan ADJ, serta dashboard yang menampilkan informasi stok secara real-time. Pengujian sistem dilakukan menggunakan metode Blackbox Testing dengan empat belas skenario pengujian untuk memastikan bahwa setiap fungsi sistem berjalan sesuai dengan kebutuhan yang telah dirancang. Hasil pengujian menunjukkan bahwa seluruh fitur sistem berjalan dengan baik dan menghasilkan status valid pada setiap skenario pengujian. Sistem yang dikembangkan mampu meningkatkan akurasi pencatatan inventaris, mempermudah pengelolaan data persediaan, serta mendukung proses monitoring stok laboratorium secara lebih efektif dibandingkan dengan metode pencatatan manual.

The development of information technology has become a primary pillar in enhancing corporate operational efficiency, where rapid and accurate data integration significantly determines business competitiveness. Case study in PT Gawi Anjung Bersama (GAB) revealed that the company is facing operational constraints because the management of delivery orders and invoices still relies on conventional office applications such as Microsoft Excel and Word. This procedure causes hurdles in data sharing among staff and results in low information security due to the absence of integrated access control settings. This research aims to design and develop the Gawi Anjung Bersama Information System (SIGAB), a web-based system implementing the CodeIgniter framework. The system is developed using Waterfall model, encompassing stages from analysis, design, and implementation to testing. The research flow starts with problem identification, primary and secondary data collection, and functional and non-functional requirements analysis. The system is designed using Unified Modeling Language (UML) modeling, specifically Use Case and Class Diagrams, as well as Entity Relationship Diagrams (ERD) for the database. The system interface is designed as wireframes on Figma web. This system separates access rights into three main actors namely owner, administrator, and staff, to ensure data security. Blackbox testing results, conducted after the system was hosted, indicate that all functional features operate as intended. The implementation of SIGAB is expected to optimize the management of delivery orders and invoices at PT GAB.

This study aims to develop a web-based inventory information system to facilitate inventory data management and improve operational efficiency at Toko Anugerah Sticker. Currently, inventory management is still performed manually using paper, which complicates monitoring stock, recording incoming and outgoing items, and preparing reports accurately and promptly. To address these issues, the system was developed using the Waterfall method, consisting of five stages: requirement, design, implementation, verification, and maintenance. PHP was employed as the programming language for system development, while MySQL served as the database for storing inventory data. The system was tested using Blackbox testing to unsure that each function worked as expected. The result show that the web-based inventory information system successfully replaced the manual process, making inventory management more effective and efficient. It also enables real-time stock monitoring and generates reports faster and more accurately. The implementation of this system is expected to improve the quality of inventory data management at Toko Anugerah Sticker in the future.

Knowledge must be managed effectively to facilitate transfer between individuals, groups, and organizations. The Informatics Engineering study program currently lacks a system for knowledge management. Currently, the study program facilitates offline discussion forums for the sharing of knowledge gained by lecturers and students. These offline discussion forums require significant costs, time, and space, often resulting in delays in knowledge sharing. This research focused on the analysis and design of a Knowledge Management System to meet the needs of Informatics Engineering students at Universitas PGRI Madiun. The system development method used was the Knowledge Management System Lifecycle (KMSL). In this study, the TIF KMS system using the KMSL method has been successfully built. The results of testing using the Blackbox Testing method showed that 5 scenarios and 18 cases were successfully executed as expected with a 100% success rate. Based on the system test results, the TIF KMS is ready to proceed to the implementation stage. Future implementation can be done by developing additional features such as a digital library

The Wali Nagari Office of Simalidu continues to face challenges in disseminating information due to the lack of an official digital platform. Information is currently delivered manually via bulletin boards, limiting public access and reducing efficiency. This study aims to design and develop a website-based information system for the Wali Nagari Office of Simalidu to improve communication effectiveness between the local government and the community. The research applies the Waterfall method, starting from requirements analysis, system design, implementation, and system testing. The system was developed using the PHP programming language and MySQL database. The main features include a homepage, a village profile, news/information, activities, employee data, a message page, and a contact page. System testing was conducted using the Blackbox Testing method to ensure that all functions operate as expected. The results show that the website-based information system enables village officials to deliver information quickly, accurately, and effectively to the public. It also allows the community to easily access up-to-date information regarding activities, profiles, and services at the Wali Nagari Office of Simalidu. Thus, this system improves transparency, accountability, and the quality of public services.

This study aims to analyse the design and optimization of digital marketing to increase the brand awareness of the IdRink MSME through the integration of a website and Instagram. The research employed a Research and Development (R&D) method using the Four-D model (Define, Design, Develop, Disseminate), combined with prototyping techniques and evaluation through blackbox testing. Data were collected through interviews, literature review, observation, Google Analytics, Instagram Insight, and A/B testing questionnaires administered to 100 respondents. The results show that the development of a WordPress-based website and a structured Instagram content plan significantly improved IdRink’s digital performance. Within one month, the audience growth rate increased by 256%, average post reach reached 216%, and website traffic recorded 298 users. Brand awareness measurement indicated brand recognition of 74% and brand recall of 79%, higher than the comparison brand in the local beverage category. These findings indicate that integrating a website and Instagram as a digital marketing strategy is effective in moving IdRink from the unaware-of-brand stage to recognition and recall, expanding market reach, strengthening customer engagement, and building a more professional brand image among young urban consumers. The study recommends maintaining content consistency and utilising digital analytics to support future marketing decision-making.

The Waste Bank is an initiative born out of public concern for the environment, particularly in addressing the growing waste problem. The problem faced by the Seruni Waste Bank Association is that the management of waste deposit data is still carried out using conventional bookkeeping, which often results in errors in recording the nominal amount of waste deposits. This error results in losses for the Waste Bank Association and a lack of transparency between officers and members and customers. The purpose of this study is to help create a waste bank management system so as to reduce losses for the association. The research methodology employed is the waterfall methodology, which involves a research design comprising needs analysis, system design, implementation or coding, program testing and evaluation, and maintenance. The definition of users obtained from the results of observations and interviews resulted in two levels of users: owner and junior. System testing includes blackbox testing with test cases that are all accepted or valid, and user acceptant testing with results that are strongly agreed to be accepted by the association. This system has proven effective in helping officers manage waste bank data, especially in reporting waste deposit transactions, thereby improving the performance and transparency of Seruni waste bank operations.

Bahasa Hubula merupakan salah satu bahasa daerah yang digunakan oleh masyarakat di Lembah Baliem, Papua. Seiring perkembangan zaman, penggunaan bahasa ini mengalami penurunan, khususnya di kalangan generasi muda. Minimnya dokumentasi serta belum tersedianya media digital yang mendukung menjadi tantangan dalam pelestarian bahasa tersebut. Tujuan dari penelitian ini adalah merancang dan membangun aplikasi kamus bahasa Hubula berbasis mobile sebagai media pembelajaran sekaligus upaya pelestarian bahasa daerah. Metode pengembangan sistem yang digunakan adalah metode Prototype, yang memungkinkan pengembangan dilakukan secara iteratif melalui pembuatan purwarupa, evaluasi, dan perbaikan berdasarkan umpan balik pengguna. Data kebutuhan dikumpulkan melalui wawancara dengan penutur asli, keluarga, dan masyarakat Kampung Sogasio yang berdomisili di Jayapura, serta melalui studi terhadap sumber kosakata yang tersedia. Hasil dari penelitian ini berupa aplikasi kamus dalam bentuk aplikasi Android dan sistem web admin. Aplikasi Android ditujukan bagi pengguna umum untuk mencari dan mengajukan kosakata, sedangkan sistem web digunakan untuk pengelolaan data oleh admin. Hasil pengujian dengan metode blackbox menunjukkan bahwa seluruh fitur telah berfungsi sesuai kebutuhan. Penelitian ini memberikan kontribusi terhadap pengembangan teknologi pelestarian bahasa daerah serta membuka peluang replikasi untuk bahasa-bahasa lokal lainnya di Indonesia yang juga terancam punah.

PT. Sinarta Karya Papua, a medium-scale enterprise in Eastern Indonesia, faces operational challenges due to its reliance on manual sales recording systems, leading to data duplication, delayed reporting, and limited information transparency. This hinders operational efficiency and strategic decision-making. This study aims to develop a web-based sales management information system addressing these issues using the Rapid Application Development (RAD) methodology, selected for its rapid prototyping and iterative adaptation to user needs. Data was gathered through field observations, semi-structured interviews with staff and management, and literature reviews on information systems and RAD. The system was developed with PHP and MySQL to ensure flexibility and reliable data management. Findings demonstrate the successful integration of sales transaction processing, customer management, inventory control, and real-time reporting modules. Comprehensive functional testing (Blackbox Testing) confirmed 100% operational accuracy across all features, significantly improving record-keeping efficiency and information accessibility. The primary contribution lies in implementing RAD within Papua's unique business context—an underexplored area in existing literature. The system delivers a practical solution for PT. Sinarta Karya Papua while serving as a reference model for similar enterprises in geographically challenging regions. Key implications include enhanced organizational competitiveness through digital transformation and the potential replication of this framework across other business sectors in Eastern Indonesia.

The manual, paper-based election of the Student Council President faces various challenges, such as the lengthy vote counting process and the potential for errors in the recapitulation. To address these issues, this study designed a web-based e-voting information system at SMK Negeri 4 Tangerang Regency. This system was built using the Rapid Application Development (RAD) method, which emphasizes speed of development through iteration and prototyping based on user feedback. The development results indicate that e-voting can accelerate voting and vote counting, provide real-time results, and reduce paper usage. This system has been tested using blackbox testing, proving that all functions work as expected and are easily accessible to students. The study concludes that the implementation of web-based e-voting can improve efficiency, security, and transparency in the election of the Student Council President, with suggestions for system usage simulations and regular usability evaluations. Furthermore, this study also shows that the implementation of a web-based e-voting system can reduce the potential for fraud that often occurs in manual elections. With an automated and integrated system, every vote cast by voters is recorded accurately, reducing human error in the vote counting process. System security is also maintained through authentication mechanisms that ensure only authorized users can vote, as well as data encryption to protect sensitive information. This increases voter confidence in the election results, as the process is more transparent and free from manipulation. Furthermore, although the e-voting system has proven effective in increasing election efficiency and accuracy, the study also recommends the need for training for system users, both students and election committee members, to ensure they can utilize the system optimally. Continuous evaluation of the system's usability is also crucial to ensure that the interface remains user-friendly and easily accessible to all parties.

Sultan Thaha Airport, Jambi, is one of the airports that has implemented a digital Airport PAS application process through a website-based system. This application information system is designed to improve efficiency and effectiveness in the PAS (Personal Airport Security) application process, which was previously done manually. With this system, it is expected that the entire administrative process can run faster, more transparently, and minimize errors. The purpose of this study is to analyze the implementation of the e-PAS information system, and to identify obstacles that arise in its implementation in the work environment of Sultan Thaha Airport, Jambi. The research method used is descriptive qualitative, with a blackbox testing approach to test the system's functionality. Data collection techniques were carried out through direct observation, interviews with 3 PAS applicants and 6 operational officers, and documentation related to system use. The data obtained were analyzed through the process of data reduction, data presentation, as well as drawing conclusions and verification. Data validity testing was carried out using the source and technique triangulation method. The results of the study indicate that the implementation of the e-PAS system has run quite well. However, several technical challenges remain, hindering the smooth running of the process, such as disruptions to the data input system, challenges with information validation, and suboptimal or incomplete system features. These findings provide important input for system developers to make continuous improvements to ensure more effective and efficient services in the future. Improved training for staff is also necessary to ensure optimal system utilization. Furthermore, regular evaluations of system performance are mandatory to maintain consistent service quality.

The advancement of information technology has encouraged public service institutions, including PT. PLN (Persero), to adopt web-based systems to improve operational efficiency. At ULP Arso, the current monitoring of customer installment fine payments is managed manually using physical documents and basic spreadsheets. This method is prone to data entry errors, information redundancy, and delayed updates, which hinder timely decision-making and customer service. To address these issues, this study aims to design and develop a web-based monitoring system that facilitates real-time data access and simplifies tracking of installment payments. The research employed the prototyping development model, emphasizing iterative design involving early user feedback and continuous refinement. Data were collected through interviews, direct observations, and documentation at ULP Arso. The resulting prototype includes modules for user registration, login, customer and admin dashboards, bill management, and financial reporting. Functional testing using the blackbox approach demonstrated that all features operated according to specifications, and the system responded reliably across various usage scenarios. The study contributes by offering a practical solution that digitizes manual processes, thereby improving data accuracy and streamlining administrative tasks. From a practical perspective, the system supports data-driven decisions and enhances transparency and accountability in the customer billing process, aligning with the broader goal of improving public service quality in the electricity sector.

The development of digital technology has driven transformation across various sectors, including the food and beverage industry. Dessert businesses face challenges in improving operational efficiency and competitiveness in the digital market. One possible solution is the use of websites as marketing and sales platforms. However, without proper management methods, the utilization of this technology will not be optimal. Therefore, this study applies the POAC (Planning, Organizing, Actuating, Controlling) method to develop a website- based dessert sales system aimed at enhancing business efficiency and customer satisfaction. This study employs a descriptive approach with the POAC method in website-based marketing strategies. The planningphase involves designing e-commerce features, such as product catalogs, an online ordering system, and digital payments. The organizing phase focuses on resource management and technology integration, while actuating includes implementing the system using MySQL, PHP, and CodeIgniter. The controlling phase is conducted through system testing using the Blackbox Testing method to evaluate application performance. The study results indicate that implementing the POAC method in a website- based system enhances the operational efficiency of dessert businesses. Transaction records become more accurate, customers can easily access product information, and the digital payment system improves transaction convenience. Furthermore, the website enables businesses to reach a broader market without geographical limitations. The implementation of the POAC method in website-based business management has proven to improve marketing and sales effectiveness. With a more structured system, businesses can better adapt to market changes and enhance customer interactions. This digital-based strategy also opens new opportunities for developing the culinary business in the modern era.

Penelitian ini bertujuan untuk merancang dan membangun sistem informasi inventaris berbasis web di Laboratorium Komputer Universitas Dharmas Indonesia (Undhari). Sistem ini dibuat untuk mempermudah proses pencatatan, pemantauan, dan pelaporan data barang di laboratorium. Sebelumnya, pengelolaan data dilakukan secara manual, yang seringkali menimbulkan kesalahan dan memperlambat proses pencarian data. Dengan adanya sistem berbasis web, pengguna dapat mengelola data inventaris seperti stok barang, barang rusak, peminjaman, dan laporan dengan lebih efisien. Penelitian ini menggunakan metode Waterfall, yang terdiri dari tahapan analisis kebutuhan, perancangan sistem, implementasi, pengujian, dan pemeliharaan. Sistem dikembangkan menggunakan bahasa pemrograman PHP dengan framework CodeIgniter serta basis data MySQL. Hasil dari penelitian ini adalah aplikasi yang dapat diakses secara lokal oleh admin dan kepala laboratorium. Sistem telah diuji menggunakan metode blackbox dan terbukti berjalan sesuai fungsinya. Dengan adanya sistem ini, pengelolaan barang di laboratorium menjadi lebih rapi, terstruktur, dan memudahkan proses pelaporan. Selain itu, sistem ini juga membantu mengurangi penggunaan kertas dan meminimalkan kesalahan dalam pencatatan data inventaris.

Proses antrean manual di barbershop seperti APE Vabercaf sering menimbulkan ketidakteraturan, antrian tidak tertata, dan kesulitan manajemen dalam memantau layanan. Penelitian ini bertujuan mengembangkan sistem antrean digital berbasis web untuk meningkatkan efisiensi pelayanan dan kenyamanan pelanggan. Sistem dibangun menggunakan framework CodeIgniter 4 dan basis data MySQL, serta dikembangkan melalui metode Waterfall yang mencakup analisis kebutuhan, desain, implementasi, dan pengujian. Fitur utama sistem meliputi nomor antrean otomatis, pemanggilan digital berbasis visual dan suara, pencatatan transaksi, pencetakan struk menggunakan printer thermal POS, serta laporan transaksi harian dan bulanan. Sistem juga mendukung dua peran pengguna, yaitu owner dan staff, dengan hak akses berbeda. Hasil pengujian menggunakan metode Blackbox menunjukkan bahwa seluruh fungsi sistem berjalan sesuai kebutuhan pengguna. Sistem ini mampu menggantikan proses antrean manual dengan sistem digital yang lebih tertib, cepat, dan informatif, serta membantu pemilik usaha dalam pengambilan keputusan berbasis data. Dengan demikian, sistem ini menjadi solusi tepat untuk modernisasi layanan antrean di sektor barbershop.

CV. Apris Expressindo is a private company engaged in the construction and distributor of U-PVC frames. In its business process activities, CV. Apris Expressindo still does not utilize technology optimally, so that the transfer of information regarding offers, sales, purchases, product stock, suppliers, customers, and financial reports is still done manually. This causes inefficient business processes including: slow fulfillment of customer orders, product pricing errors between divisions, product marketing that is not optimal, financial reports that cannot be seen and controlled by company leaders. Therefore, it is necessary to implement Enterprise Resource Planning (ERP) which aims to overcome these problems. The methodology used in this study was carried out in several stages, namely, data collection: interviews, observation and literacy studies, business process analysis: activity diagrams and use case diagrams, implementation: installation, configuration and module customization, testing: blackbox and UAT (User Acception Test) . The results of this study indicate that the ERP software that has been selected and implemented, namely the Odoo application, can improve and simplify business process activities and can minimize any problems faced today. It is hoped that with this ERP system business operations can be more effective and efficient so that it is expected to provide more financial benefits for CV Apris Expressindo.

Kemajuan teknologi telah menciptakan peluang baru dalam bidang pendidikan, terutama bagi anak usia dini. Penelitian ini mengembangkan sebuah game edukatif berbasis Android yang ditujukan untuk anak berusia 4 hingga 6 tahun, dengan materi pengenalan huruf, angka, buah, dan hewan. Pengembangan aplikasi ini menggunakan model Waterfall yang mencakup analisis kebutuhan, perancangan, implementasi, pengujian, serta pemeliharaan. Game dirancang menggunakan Flutter dan bahasa Dart untuk menghasilkan tampilan yang interaktif dan responsif, serta dilengkapi dengan fitur audio-visual yang menarik. Berdasarkan hasil pengujian Blackbox dan User Acceptance Testing (UAT), sebanyak 87% anak menunjukkan ketertarikan terhadap game ini, dan 82% mampu mengingat materi yang disampaikan. Para guru juga memberikan respon positif, menilai permainan ini efektif sebagai media pembelajaran. Meski demikian, masih diperlukan penambahan variasi soal serta peningkatan kinerja aplikasi guna meningkatkan pengalaman pengguna secara keseluruhan.