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All Journal GERVASI: Jurnal Pengabdian kepada Masyarakat Jejak digital: Jurnal Ilmiah Multidisiplin
Nurpadila Nurpadila
Universitas Sulawesi Barat
Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Studi Komparatif Efisiensi Memori antara Struktur Data Array dan Linked List Ummi Rufaidah Hamka; Nurul Syafirah; Muh. Aprian Naufal; Asipa Febriana; Nurjannah Nurjannah; Nurpadila Nurpadila; Ketrin Rinayanti Manullang
Jejak digital: Jurnal Ilmiah Multidisiplin Vol. 2 No. 4 (2026): JUNI-JULI
Publisher : INDO PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/wbzdgx50

Abstract

The selection of linear data structures directly impacts memory efficiency and software performance. This study conducts a profound comparative analysis between arrays and linked lists using a quantitative experimental approach. Benchmarking was performed across sequential access, random access, insertion, and deletion scenarios using C++ and Python with dataset sizes from 103 to 107 elements. Memory consumption was tracked via Valgrind Massif and the tracemalloc library. In C++, arrays consistently outperform linked lists in sequential access with a 3.2× speedup on 106 elements due to optimal CPU cache locality. Conversely, for middle insertions, linked lists show a dramatic advantage with a constant time of ~50ns, compared to 2.3ms for arrays (46,000× slower). Regarding memory for primitive data, singly linked lists incur a 200% pointer overhead and doubly linked lists 400% on 64-bit systems. This research concludes that arrays serve as the best default for intensive computation, while linked lists are recommended for dynamic data manipulation.
Analisis Efektivitas Protokol Autentikasi Jaringan Nirkabel Berdasarkan Parameter (QoS) Ummi Rufaidah Hamka; Nurul Syafirah; Muh. Aprian Naufal; Asipa Febriana; Nurpadila Nurpadila; Nurjannah Nurjannah; Ketrin Rinayanti Manullang
Jejak digital: Jurnal Ilmiah Multidisiplin Vol. 2 No. 4 (2026): JUNI-JULI
Publisher : INDO PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/1wymms59

Abstract

The need for wireless networks (Wi-Fi) in academic environments such as the University of West Sulawesi continues to increase along with the increasing number of users. However, the surge of connected devices without access control burdens the Access Point, resulting in a decrease in service quality such as unstable connections and high data delivery failures. This study aims to analyze the effectiveness of implementing a wireless network authentication protocol based on Quality of Service (QoS) parameters using the Telecommunications and Internet Protocol Harmonization Over Network (TIPHON) standard. The method used is Action Research by monitoring and processing Wi-Fi network traffic data using Wireshark software in two different locations, namely Building A (without an authentication system) and the Library (with an authentication system). The QoS parameters tested include throughput, packet loss, delay, and jitter. The results show that both locations have an average QoS index of 2.25 (Moderate Category). Building A boasts superior throughput of 466 Kbps, but its delay (157.1 ms) and jitter (42.06 ms) performance are less stable, with packet loss reaching 85.17% due to the density of freely connected external devices. In contrast, the Library, which implemented an authentication system, had significantly superior network stability, with a highly responsive delay of 9.54 ms (Excellent) and jitter of 4.51 ms (Good), despite its lower throughput capacity of 144 Kbps. This study concludes that implementing an authentication system is a fundamental requirement for limiting the number of unauthorized users, preventing traffic congestion, and maintaining stable network service quality on campus.
PELATIHAN PEMBUATAN PTK BERBASIS AI UNTUK MENINGKATKAN KETERAMPILAN MENULIS GURU SD YANG ADAPTIF DAN INOVATIF Irmawati M Irmawati M; Intan Fandini Intan Fandini; Evy Segarawati Ampry Evy Segarawati Ampry; Hasbahuddin Hasbahuddin; Evi Syarah Evi Syarah; Asmirinda Resa Asmirinda Resa; Sigit Tri Nova Sigit Tri Nova; Aldi Prawansyah Aldi Prawansyah; Nurpadila Nurpadila; Sulistiyawati Sulistiyawati; Nursakina Nursakina
GERVASI: Jurnal Pengabdian kepada Masyarakat Vol. 10 No. 1 (2026): GERVASI: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM IKIP PGRI Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31571/gervasi.v10i1.9543

Abstract

Profesionalisme guru sekolah dasar memerlukan kemampuan menghasilkan karya ilmiah, salah satunya melalui Penelitian Tindakan Kelas (PTK). Akan tetapi, masih banyak guru mengalami kendala dalam penyusunan PTK, terutama pada aspek metodologi penelitian dan keterampilan penulisan ilmiah. Perkembangan teknologi menghadirkan Artificial Intelligence (AI) sebagai alternatif untuk mendukung peningkatan kompetensi tersebut. Berdasarkan kondisi tersebut, dilaksanakan pelatihan penyusunan PTK berbasis ChatGPT di SDN No. 35 Inpres Panggalo dengan peserta sebanyak 12 guru. Kegiatan ini bertujuan meningkatkan keterampilan menulis guru yang adaptif dan inovatif. Pelaksanaan kegiatan dilakukan melalui ceramah, praktik, diskusi, dan evaluasi. Efektivitas program diukur menggunakan angket skala Likert 1–4. Hasil evaluasi menunjukkan nilai rata-rata 3,55 dengan kategori sangat tinggi. Hasil tersebut menunjukkan bahwa pelatihan mampu meningkatkan pengetahuan, motivasi, dan kreativitas guru dalam menyusun PTK serta memperkuat profesionalisme guru di era digital.
Co-Authors Aldi Prawansyah Aldi Prawansyah Asipa Febriana Asmirinda Resa Asmirinda Resa Evi Syarah Evi Syarah Evy Segarawati Ampry Evy Segarawati Ampry Hasbahuddin Hasbahuddin Intan Fandini Intan Fandini Irmawati M Irmawati M Ketrin Rinayanti Manullang Muh. Aprian Naufal Nurjannah Nurjannah Nursakina Nursakina Nurul Syafirah Sigit Tri Nova Sigit Tri Nova Sulistiyawati Sulistiyawati Ummi Rufaidah Hamka