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Research Article\u003Cbr>Implementation of the Waterfall Method in Mobile Web-Based Outpatient Online Registration Information System\u003Cbr>Jefril Rahmadonia*, Ricky Akbarb, Ahmad Syafruddin Indrapriyatnac, Annisa Hasifah Cantikad\u003Cbr>a,b,dInformation System Department, Faculty of Information Teknology, Universitas Andalas, Padang, Indonesia\u003Cbr>cIndustrial Engineering Department, Faculty of Engineering, Universitas Andalas, Padang, Indonesia |  |\n| --- | --- |\n| \u003Cbr>INFORMASI ARTIKEL | A B S T R A C T |\n\nSejarah Artikel:  \nDiterima Redaksi: 24 Mei 2024  \nRevisi Akhir: 09 Januari 2025  \nDiterbitkan Online: 13 Januari 2025  \n\n| KEYWORD |\n| --- |\n| System planning,\u003Cbr>Information Systems,\u003Cbr>Online registration,\u003Cbr>Outpatients |\n| KORESPONDENSI |\n| E-mail: [jefrilrahmadoni@it.unand.ac.id](jefrilrahmadoni@it.unand.ac.id)* |\n\nOur study aims to create, design, and implement a web-based outpatient registration application at Batusangkar Regional Hospital. The research method used is qualitative descriptive research, which involves a series of activities or processes that reveal system processes. This study's system development employs the waterfall method and data collection techniques such as documentation, interviews, and observation. This registration application was designed using the UML (Unified Modeling Language) model, including use case, activity, sequence, and class diagrams. Designing database logic with MySQL. The system was designed and implemented using XAMPP as a web server, PHP MySQL as a database, Visual Studio as a web design editor, and Android Studio as an Android design editor. Hopefully, this application will allow patients to easily register from anywhere and access the most up-to-date information and practice schedules for polyclinic doctors at Batusangkar Regional Hospital.  \n1. INTRODUCTION  \nAdvances in information technology have undoubtedly resulted in changes in various fields, including health. Information technology support is also required in healthcare activities. [1] . The primary health development program includes creating a health information system, aiming to improve the information system so that its impact can be seen. [2] . Hospitals are affiliated with health and social organizations and offer comprehensive health services, particularly in healing and restoring individual health. [3] . The health information system is required to collect data, organize data, generate periodic reports, and strive to use data and information to provide services to the community. [4] .  \nBatusangkar Regional Hospital, owned by the government of Tanah Datar Regency and located on Jalan Bundo Kandung in Lima Kaum District, recognizes the need to develop a registration information system in response to the community's growing demand for services.  \nBatusangkar Regional Hospital's outpatient registration process is still manual, which means that patients must wait in line to register at the polyclinic for new and returning patients, which takes time. This method frequently produces errors, such as writing the same patient's name for the umpteenth time, and the difficulty in grouping data takes a long time and does not ensure data security. If we want to find the patient data, we must search the archives individually. Batusangkar Regional Hospital's manual data processing can be replaced with computers and  \n[https://doi.org/10.25077/TEKNOSI.v10i3.2024.216-222](https://doi.org/10.25077/TEKNOSI.v10i3.2024.216-222) Attribution-ShareAlike 4.0 International Some rights reserved  \nexisting information technology. The developed information system improves data processing accuracy, speed, and ease. [5] .  \nIt is highly appropriate for a community health center to provide comprehensive and efficient information system services. [6] . ","cbCaigdCL8RJR9XK","https://ap.wps.com/l/cbCaigdCL8RJR9XK","pdf",1122146,7,"English","# INFORMASI ARTIKEL\n## Sejarah Artikel\n# A B S T R A C T\n## Keyword\n# KORESPONDENSI\n## E-mail\n# INTRODUCTION\n## Background and Problem Statement\n# METHODS\n## Waterfall Method Overview","[{\"question\":\"What is the main goal of the research?\",\"answer\":\"To create, design, and implement a web-based outpatient registration application that supports online registration and provides up-to-date information and practice schedules.\"},{\"question\":\"Which research and system development method is used?\",\"answer\":\"The study uses qualitative descriptive research and applies the waterfall method in the software development process.\"},{\"question\":\"How is the system designed and what tools are used?\",\"answer\":\"The design uses UML diagrams (use case, activity, sequence, class), database logic with MySQL, and development/deployment uses XAMPP, PHP MySQL, Visual Studio, and Android Studio.\"}]","Implementation of the Waterfall Method in Mobile Web-Based Outpatient Online Registration Information System | PDF",1789327928]