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All Journal Jurnal Teknologi Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Mantik Penusa Jurnal Teknik Informatika UNIKA Santo Thomas JIPN (Journal of Informatics Pelita Nusantara) Jurnal Mantik Kumawula: Jurnal Pengabdian Kepada Masyarakat Jatilima : Jurnal Multimedia Dan Teknologi Informasi INFOKUM Jurnal Scientia MEANS (Media Informasi Analisa dan Sistem) Journal of Computer Networks, Architecture and High Performance Computing Jurnal Pengabdian kepada Masyarakat Nusantara Journal Zetroem Instal : Jurnal Komputer Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) JURNAL TEKNOLOGI INFORMASI & KOMUNIKASI DALAM PENDIDIKAN
Hutahaean, Harvei Desmon
Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences

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Geographic Information System for Tourism in Dairi Regency with Circular Method Hutahaean, Harvei Desmon; Ali Akbar Lubis; Rosma Siregar
Bahasa Indonesia Vol 17 No 10 (2025): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalinstall.v17i10.445

Abstract

There are plenty of tours in Indonesia, however not all tourist destinations are adequately run by the local government, and associated parties are less equipped to advertise travel online. As a result, many visitors avoid tourist destinations with poorly maintained information. The solution to the issues facing the tourism industry is the Geographic Information System. Geographic information systems are created using a circular approach, which can subsequently assist potential travelers who wish to visit a location by looking for tourist attractions to visit. Travelers can view the locations they wish to visit along with maps, and related parties will also benefit from foreign exchange input from tourists. Therefore, it is anticipated that this research will result in a geographic information system that aids in recommending various tourist places that are appropriate to visit.
Development of Geometry Transformation Learning Media by Utilizing Mobile Technology Janner Simarmata; Muhammad Dani Solihin; Harvei Desmon Hutahaean; Muhammad Isnaini
Jurnal Penelitian Pendidikan IPA Vol 10 No SpecialIssue (2024): Science Education, Ecotourism, Health Science
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10iSpecialIssue.7913

Abstract

This study is dedicated to the creation of geometry transformation learning media through the utilization of Mobile-Based App Inventor and a subsequent comprehensive evaluation of its influence on student academic performance. The research adopts a meticulously structured Research and Development (R&D) methodology, encompassing critical stages such as analysis, design, development, implementation, and evaluation. The culmination of this research journey unveils compelling evidence that underscores the transformative potential of the developed learning media. Through quantitative and qualitative assessments, this study unearths a significant enhancement in students' grasp of the intricate concepts inherent to geometry transformation. The outcomes of this research illuminate the pivotal role of technology, particularly the Mobile-Based App Inventor, in shaping contemporary pedagogical landscapes. The learning media serves as a testament to the symbiotic relationship between innovation and education, offering an engaging and effective resource to empower students in their quest for mathematical proficiency and analytical prowess.
Application of Computer Assisted Instruction Model in Physics Learning Harvei Desmon Hutahaean; Muhammad Isnaini; Juniar Hutahaean
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.10872

Abstract

The rapid advancement of technology has significantly transformed various sectors, including education, leading to the emergence of e-learning. This approach utilizes electronic media to facilitate faster and more efficient absorption of learning materials by students. One form of e-learning is the Computer Assisted Instruction (CAI) model, which integrates information technology components such as communication tools, audio, video, and images into a cohesive multimedia platform. The implementation of CAI in e-learning enables flexible learning delivery by allowing educators to present instructional content and engage learners interactively, whether in one-on-one sessions or in small groups. This model enhances the learning experience by incorporating tutorials and multimedia presentations. Physics, as a branch of natural science, plays a critical role in shaping human reasoning and intellectual development. It investigates the fundamental elements of the universe, the forces acting upon them, and the resulting interactions, ranging from subatomic particles to cosmic phenomena. Natural Science itself is more than just the accumulation of knowledge in the form of facts or theories—it also involves systematic inquiry and discovery processes. Applying the CAI model in high school physics education, particularly in the topic of straight-motion kinematics, is expected to improve students’ comprehension and conceptual understanding. Based on evaluations from media and subject matter experts, as well as product testing, the instructional media developed has been rated highly feasible, receiving an 86% approval score from users.
Performance Evaluation of a Mobile Attendance System Using Dual-Factor Dynamic Qr Code and Gps Geofencing Siregar, Rosma; Maulana, Bagoes; Muhammad Isnaini; Elsa Sabrina; Hutahaean, Harvei Desmon
Jurnal Multimedia dan Teknologi Informasi (Jatilima) Vol. 7 No. 06 (2026): Jatilima : Jurnal Multimedia Dan Teknologi Informasi
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jatilima.v7i06.2281

Abstract

This study develops and evaluates an Android-based attendance system integrating dual-factor authentication using dynamic QR codes and GPS geofencing to prevent proxy attendance in higher education. The system was developed using the Waterfall model and evaluated through quantitative experiments measuring response time, GPS accuracy drift, and security robustness via Black-Box testing. Results show high efficiency with an average response time below 1.5 seconds. GPS validation achieved an average drift of 4.2 meters outdoors and 12.5 meters indoors, remaining within the 30-meter geofencing threshold. The system successfully rejected unauthorized attempts, including out-of-range scans and fake GPS spoofing. These findings demonstrate that combining dynamic QR codes with GPS validation significantly improves attendance authenticity and system reliability compared to single-factor methods. The study provides empirical evidence of a robust and scalable solution for secure mobile-based attendance systems in higher education.
Co-Authors Agus Junaidi Ali Akbar Lubis Anastasya Aritonang Rajagukguk Ani Sutiani Bakti Dwi Waluyo Bosker Sinaga Charles Fransiscus Ambarita Dani Solihin, Muhammad Denny Haryanto Sinaga Eddiyanto Eddiyanto Elsa Sabrina Erita Astrid Freddy Tua Musa Panggabean Hamzah, Afif Harahap, Vivi Ramayanti Hasugian , Paska Marto Hengki Tamando Sihotang Hesti Fibriasari Jamalum Purba Janner Simarmata Jongga Manullang Juan Samuel Simanjuntak Juniar Hutahaean Lahagu, Amin Setiawan Laksanama Nur Ramadhan Lia Maharani Lubis Lisa Melvi Ginting Lubis, Azmi Rizki Lubis, Lia Maharani Marsangkap Silitonga Marsangkap Silitonga Maulana, Bagoes Mega Silfia Dewy, Mega Silfia Mendoza, Mhd. Dominique Mendoza, Muhammad Dominique Mufti Sudibyo, Mufti Muhammad Aulia Rahman Sembiring Muhammad Dani Solihin MUHAMMAD ISNAINI Muhammad Isnaini Muhammad Isnaini Muhammad Sulaiman Mutiara Agustina Nst Puji Prastowo, Puji Purba, Julio Aldrin R. Mahdalena Simanjorang Rahman Sembiring, Muhammad Aulia Rais, Muhammad Amin Rebecca Lyana Elisabeth Reni Rahmadani Rianni Yuni Sinaga Riz Rifai Oktavianus Sasue Rosma Siregar S, Muhammad Aulia Rahman Sari, Ressy Dwitias Sihite, Onggal Sihombing, Gracia Napare Silitonga, Marsangkap Sintia Natalia Br Sinulingga Syahputra, Ricky Andi Syarifuddin Syarifuddin Tonggo Sinaga, Tonggo Veronica Elisabeth Simatupang Wahyu Simangunsong Zuhairiah Nasution, Zuhairiah