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All Journal Jurnal Informatika dan Teknik Elektro Terapan Computer Science (CO-SCIENCE)
Agisfio, Muhammad Daffa
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Computer Science & IT

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Aplikasi Pencatatan Kalori Harian Berbasis Android Dengan Arsitektur MVVM Ulhaq, Alfi Zia; Adilukito, Abilawa Zulfiqar; Neru, Sultan Muhamad Pascal Gadja; Agisfio, Muhammad Daffa
Computer Science (CO-SCIENCE) Vol. 5 No. 1 (2025): Januari 2025
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/coscience.v5i1.3443

Abstract

An imbalance between calorie intake and expenditure is considered the main cause of obesity or being overweight. So by controlling your calorie intake in a balanced manner and according to your needs you will be able to prevent obesity. The daily calorie recording application can help someone record, control and obtain information on their calorie intake. This article discusses the development of this type of application, named Nutrizen, using the waterfall method, during the development process by the CH2-PS076 team in the Bangkit 2023 batch 2 program. The application created is an Android-based application created with the Kotlin programming language and MVVM architecture as a design pattern that is easy to learn and makes the code easy to understand and manage. Testing this application uses the usability test method with the System Usability Scale tool to determine the level of user acceptance of usability. The results obtained include a marginal level of usability acceptance, so improvements are needed so that this application can be more accepted and relied on by the wider community.
Aplikasi Pencatatan Kalori Harian Berbasis Android Dengan Arsitektur MVVM Ulhaq, Alfi Zia; Adilukito, Abilawa Zulfiqar; Neru, Sultan Muhamad Pascal Gadja; Agisfio, Muhammad Daffa
Computer Science (CO-SCIENCE) Vol. 5 No. 1 (2025): Januari 2025
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/coscience.v5i1.3443

Abstract

An imbalance between calorie intake and expenditure is considered the main cause of obesity or being overweight. So by controlling your calorie intake in a balanced manner and according to your needs you will be able to prevent obesity. The daily calorie recording application can help someone record, control and obtain information on their calorie intake. This article discusses the development of this type of application, named Nutrizen, using the waterfall method, during the development process by the CH2-PS076 team in the Bangkit 2023 batch 2 program. The application created is an Android-based application created with the Kotlin programming language and MVVM architecture as a design pattern that is easy to learn and makes the code easy to understand and manage. Testing this application uses the usability test method with the System Usability Scale tool to determine the level of user acceptance of usability. The results obtained include a marginal level of usability acceptance, so improvements are needed so that this application can be more accepted and relied on by the wider community.
PENGEMBANGAN SISTEM E-LEARNING BERBASIS WEB DI SMA XYZ Agisfio, Muhammad Daffa
Jurnal Informatika dan Teknik Elektro Terapan Vol. 14 No. 1 (2026)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v14i1.8213

Abstract

This study aims to develop a web-based e-learning system at SMA XYZ as a solution to address several problems, including limited access to learning materials, lack of interaction between teachers and students, and low administrative efficiency due to manual processes. The research employs the Waterfall development method, consisting of requirement analysis, system design, implementation, testing, and maintenance stages. The system design is based on the educational information system theory and the User-Centered Design (UCD) approach to create an intuitive and user-friendly interface tailored to user needs. Modeling tools such as Use Case Diagrams and Class Diagrams are used to map user interactions and data structures. The results show that the e-learning system developed using PHP and MySQL functions effectively, as demonstrated by functional testing (black box testing), which confirmed that all system features operate as intended. The system successfully enhances learning effectiveness, improves administrative efficiency, and strengthens teacher–student interaction in an online environment. Therefore, this web-based e-learning system is considered feasible to be implemented as a digital learning medium at SMA XYZ and has potential for further development through the integration of learning analytics features.
Co-Authors Adilukito, Abilawa Zulfiqar Neru, Sultan Muhamad Pascal Gadja Ulhaq, Alfi Zia