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All Journal ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA Jatilima : Jurnal Multimedia Dan Teknologi Informasi Mudabbir: Journal Research and Education Studies Journal of Artificial Intelligence and Engineering Applications (JAIEA) Jurnal Pengabdian Masyarakat dan Riset Pendidikan The Indonesian Journal of Computer Science
Elsa Sabrina
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Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Mengeksplor Dampak Interaksi Siswa dengan ChatGPT terhadap Berpikir Kritis dan Pemecahan Masalah Elsa Sabrina; Yulianti, Rosi; Ambiyar; Rizal, Fahmi
The Indonesian Journal of Computer Science Vol. 13 No. 3 (2024): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v13i3.4073

Abstract

Penelitian ini mengeksplorasi dampak integrasi ChatGPT, sebuah kecerdasan buatan berbasis teks, dalam konteks pendidikan modern. Dengan melibatkan 215 peserta dari berbagai pemangku kepentingan, studi ini menyelidiki pengaruh interaksi dengan ChatGPT terhadap keterampilan kognitif, seperti berpikir kritis dan pemecahan masalah. Hasil menunjukkan variasi persepsi terhadap dampak ChatGPT, dengan beberapa peserta melaporkan peningkatan yang signifikan sementara yang lain merasakan dampaknya terbatas. Kesimpulan menekankan pentingnya penggunaan teknologi kecerdasan buatan secara bertanggung jawab dalam pendidikan, sambil menyadari keterbatasan metodologis dan memperhitungkan perspektif yang beragam dalam mengoptimalkan pengalaman belajar.
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.
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 Afandi Yusuf Lubis Aldy Primanda Barus Alya Rahmi Ambiyar, Ambiyar Andhika Herayono Anjelita Ariyantika Br Ginting Asmar Yulastri Debora Cindy Purba Dedy Irfan Diah Fadilillah Dwi Febrina Eliasta Agustinus Sebayang Fahmi Rizal Firdaus Firdaus Ganefri Ghaitsa Zahira Lubis Hanifah Mardhiyah Hansi Effendi Hasan Maksum Hutahaean, Harvei Desmon Hutri Ami Imam F Hutasuhut Ira Gusdhini Harahap Jesica Aime Siahaan Laili Tanzila Maria Niscaya Ndruru Maulana, Bagoes Monika Putri Puspita Siagian MUHAMMAD ILHAM MUHAMMAD ISNAINI Pinkan Ramadhani Raden Muhammad Fathur Rahman Rafael Owen Kevin Nainggolan Raffi Hidayat Rahmansyah Angga Saputra Rahmi Isnaini Raisa Nadrah Shafira Hia Rizky Abimayu Utama Tanjung Rosma Siregar Selvia Amanda Kayla Shinta Eva Celina Silvi Amelia Sopiah Rahmadani br Torus Syahputra, Fahmy Wan Safari Ramadhan Waskito Wulansari, Rizky Ema Yulianti, Rosi Zherina Br Sitepu