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OKTAL : Jurnal Ilmu Komputer dan Sains
Published by CV. Multi Kreasi Media
ISSN : -     EISSN : 28282442     DOI : -
Core Subject : Science, Social, Engineering,
Astronomy Chemistry Computer Science & IT Electrical & Electronics Engineering Social Sciences
1. Komputasi Lunak, 2. Sistem Cerdas Terdistribusi, Manajemen Basis Data, dan Pengambilan Informasi, 3. Komputasi evolusioner dan komputasi DNA/seluler/molekuler, 4. Deteksi kesalahan, 5. Sistem Energi Hijau dan Terbarukan, 6. Antarmuka Manusia, 7. Interaksi Manusia-Komputer, 8. Hibrida dan Algoritma Terdistribusi Pemrosesan Informasi Manusia, 9. Komputasi Berkinerja Tinggi, 10. Penyimpanan informasi, 11. Keamanan, integritas, privasi, dan kepercayaan, 12. Pemrosesan Sinyal Gambar dan Ucapan, 13. Sistem Berbasis Pengetahuan, 14. Jaringan Pengetahuan, 15. Multimedia dan Aplikasi, 16. Sistem Kontrol Jaringan, 17. Klasifikasi Pola Pemrosesan Bahasa Alami, 18. Pengenalan dan sintesis ucapan, 19. Kecerdasan Robot, 20. Analisis Kekokohan, 21. Kecerdasan Sosial, 22. Statistic 23. Komputasi grid dan kinerja tinggi, 24. Realitas Virtual dalam Aplikasi Rekayasa, 25. Intelijen Web dan Seluler, 26. Data Besar, 27. Manajemen Informatika, 28. Sistem Informasi, 29. Desain Permainan, 30. Sistem Multimedia, 31. Pemrosesan Gambar, 32. IOT 33. Pemrograman Seluler, 34. Desain Basis Data, 35. Pemrograman Jaringan, 36. Sistem Terdistribusi, 37. Sistem Pendukung Keputusan, 38. Sistem Pakar, 39. Kriptografi, 40. Model dan Simulasi, 41. Jaringan 42. Perhitungan 43. Metematika 44. Kimia 45. Teknik Elektro 46. Robotik 47. Fisika
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 1,217 Documents
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Analisa Penggunaan Teknologi Wireless Power Transfer Arsanto Narendro
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 04 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The extensive adoption and rapid expansion of mobile gadgets have positioned wireless power transfer (WPT) as a critical domain of scientific inquiry. A compelling feature of WPT lies in its ability to offer a versatile and economical charging solution, eliminating the necessity for a direct physical link to power outlets—a particularly beneficial trait when manual connection is impractical for the user. Historically, battery replenishment for such hardware has relied on wired systems, necessitating a tethered attachment to electricity via physical cabling. In contrast, WPT facilitates the transmission of energy through the air over brief spans, utilizing either magnetic fields generated by inductive coil coupling or electric fields arising from capacitive electrode interaction, which are subsequently captured by an antenna for functional use. This paper provides a comprehensive analysis of current WPT methodologies, their functional mechanisms, practical implementations, and prospective research trajectories within this nascent field. Despite existing limitations, WPT represents a transformative advancement poised to fundamentally reshape the operational framework of mobile networks, the Internet of Things (IoT), and associated future technological ecosystems.
Analisa Superdecisions Untuk Menentukan Pilihan Produk Memori Komputer Arsanto Narendro; Tatang Wirawan Wisnuadji
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The decision-making process often becomes a complex challenge when it involves various interrelated criteria; thus, carelessness at this stage has the potential to trigger fatal errors. To minimize such risks, a supporting instrument in the form of specialized software is required to process intricate decision parameters. One available technological solution is SuperDecisions, a software that adopts the principles of the Analytic Hierarchy Process (AHP) method to perform analysis, synthesis, and policy determination in multifaceted situations. In this study, data gathered through questionnaires were converted into variables compatible with the SuperDecisions system. The final results processed by this software provide a ranking of all available alternatives to determine the best option. Based on the system output in this case, DDR3 memory was selected as the winning alternative because it was deemed the most optimal in meeting the entirety of the established criteria.
Implementasi Metode Artificial Neural Network Bidang Peternakan Ayam Broiler Berbasis Jaringan Syaraf Tiruan Untuk Optimasi Kondisi Kandang Di PT. Gunawan Farm Irman Dwi Putra; Anis Mirza
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 05 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

This research discusses the implementation of the Artificial Neural Network (ANN) method in the broiler poultry farming sector to optimize the environmental conditions of chicken coops at PT. Gunawan Farm. The system is designed to assist farmers in monitoring, analyzing, and providing automatic recommendations to maintain the ideal coop conditions that support optimal growth and productivity of broiler chickens. The study begins with data collection from PT. Gunawan Farm, which includes parameters such as temperature, humidity, chicken age, lighting, density, and water supply. The collected data are processed and trained using the feedforward backpropagation algorithm of ANN. The model is then tested to evaluate its accuracy in predicting and recommending the coop conditions.The results show that the ANN model is capable of predicting the coop condition accurately and providing precise recommendations, such as increasing or decreasing temperature, lighting, density, or water supply. The system helps farmers to make faster and more efficient decisions in maintaining environmental stability, thus improving broiler productivity and reducing the risk of decreased livestock quality.
Uji Biolarvasida Ekstrak Metanol Daun Pepaya Jepang pada Larva Anopheles sp. Dea Farrah Khairunnisa; Emantis Rosa; Priyambodo; Hendri Busman
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 05 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Malaria remains a major health problem in endemic areas such as Pesawaran Regency, Lampung, transmitted through the bites of infected female Anopheles mosquitoes. Continuous use of synthetic larvicides may lead to resistance, toxicity to non-target organisms, and environmental pollution, thus safer biolarvicidal alternatives are needed. Japanese papaya leaves (Cnidoscolus aconitifolius) are known to contain secondary metabolites with potential biolarvicidal activity. This study aimed to determine the biolarvicidal activity of methanol extract of Japanese papaya leaves against the mortality of Anopheles larvae and to observe morphological changes in larvae after exposure. The study used a Completely Randomized Design with five treatments: 0% (control), 0.5%, 1%, 1.5%, and 2%, each with five replications. Data were analyzed using one-way ANOVA followed by the Least Significant Difference (LSD) test. Phytochemical screening revealed the presence of alkaloids, flavonoids, saponins, tannins, phenols, and steroids. ANOVA results showed significant differences among treatments (p<0.001), while the LSD test indicated that each concentration had a significantly different effect on larval mortality (p<0.05). The highest mortality was observed at 2% concentration, reaching 82.5% at 24 hours and 100% at 48 hours. The methanol extract also caused morphological damage in larvae, including tissue lysis, digestive tract damage, and respiratory system impairment. It can be concluded that the methanol extract of japanese papaya leaves has potential as a natural biolarvicide against Anopheles larvae.
Implementasi dan Pengujian Efektivitas Metode Extreme Programming dalam Pengembangan Aplikasi Web Manajemen Persuratan pada Lembaga MPR RI Dafa Adi Raharjo; Budi Apriyanto
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 05 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

This study focuses on the implementation and effectiveness testing of the Extreme Programming (XP) method in the development of a web-based letter management application for the MPR RI institution. Currently, the institution's correspondence process is still carried out in a conventional-semi digital manner, which often leads to obstacles such as inefficiency, delays, and difficulties in document tracking. Therefore, the main objective of this research is to design and build a web-based system that can address these issues, thereby improving the efficiency and transparency of correspondence management. The Extreme Programming (XP) method was chosen for its adaptive and quality-oriented approach, where user feedback is a key element in every stage of development. The results of this study indicate that the application of XP successfully produced a functional and effective application for managing correspondence and was able to enhance work productivity within the MPR RI environment.
Rancang Bangun Aplikasi Presensi Siswa Berbasis Mobile (Android) untuk Efisiensi Pemantauan Kehadiran di SDN Tegal Pagedangan Riski Putra Al Hakim; Farizi Ilham; Azfi Muhajir; Syahril Jihad
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 05 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The student attendance recording process at SDN Tegal Pagedangan has been conducted manually using physical attendance books, which are susceptible to data damage, difficult recapitulation, and lack of information transparency for parents. This study designs and develops a mobile-based (Android) student attendance application using the Kotlin programming language integrated with a MySQL database through a RESTful API, employing the Waterfall development methodology. Key features include role-based authentication (Admin, Teacher, Student), QR Code scanning for attendance recording, attendance recapitulation, digital leave submission, and an automatic reporting dashboard. Black Box Testing was conducted across all functional scenarios with a 100% success rate. The application implementation has proven to accelerate the attendance process by more than 60%, minimize human error, and facilitate real-time attendance monitoring by school staff and parents.
Rancangan Sistem Penjualan dan Stok Opname Berbasis Web pada CV Marga Mulja Abadi Tony Setiawan; Farizi Ilham; Derio Dimas Riyadi; Riki Reza Ryansyah
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 06 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

This study aims to design a sales and stock opname information system for CV MARGA MULJA ABADI to improve the efficiency of sales data management and inventory control. The problem currently faced by the company is that the sales recording and stock checking processes are still done manually, which can potentially lead to recording errors, delayed information, and difficulties in monitoring product availability. The methods used in this research include data collection through observation, interviews with employees, warehouse heads, and the owner, as well as literature studies. The system development employs the SDLC Waterfall method with stages of analysis, design, implementation using the Laravel framework and MySQL database, and testing. The output of this research is a web-based sales and stock opname system design capable of managing product data, sales transactions, supplier management, periodic stock opname features, minimum stock notifications, sales receipt printing, as well as real-time sales reports and stock cards. This system is expected to improve stock data accuracy, accelerate the report recapitulation process, and facilitate asset monitoring and decision-making related to inventory.
Pengembangan Sistem Monitoring Infrastruktur Jaringan Sekolah Berbasis Web dengan API MikroTik Izra Rafif Rabbani; Farizi Ilham; Adniel Rama Ezaputra; Muhammad Rizky
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 06 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The reliance of educational institutions on reliable internet connectivity has grown substantially with the widespread adoption of computer-based examinations. This situation demands network infrastructure that can be centrally monitored and controlled. This study develops a web-based network monitoring platform that leverages the MikroTik RouterOS programming interface to manage network infrastructure in a vocational school environment. The case study was conducted at SMKN 53 Jakarta, an institution operating 42 wireless access points across three different internet service providers. System design adopts the Waterfall software development methodology with a PHP, MySQL, and XAMPP technology stack. The resulting platform provides four core capabilities: live network traffic visualization, role-based hotspot user orchestration, dynamically configurable internet speed policy enforcement, and connection session audit logging. Evaluation demonstrates that this system successfully shifts the troubleshooting paradigm from reactive to proactive, while providing structured operational data for school management, particularly in preparing infrastructure for computer-based examination delivery.
Implementasi Dashboard Data Untuk Analisis Penjualan Properti Menggunakan Business Intelligence pada PT Winka Karisma Gemilang QQ Edwin Bright Properti Alfan Hidayat; Farizi Ilham; Naira Aqeela Fahmi; Nazwa Aulia Sihan
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 05 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

PT Winka Karisma Gemilang is a company engaged in property sales and marketing that still faces challenges in managing sales data. The use of Microsoft Excel as the primary data management tool results in unintegrated data, difficulties in conducting real-time analysis, and potential input errors. These issues lead to delays in information delivery and less effective managerial decision-making processes. This study aims to implement a Business Intelligence-based dashboard to support property sales analysis in a faster, more accurate, and interactive manner. The system was developed using the Waterfall method, which consists of requirement analysis, system design, implementation, testing, and maintenance stages. Research data were collected through observation, interviews, and literature studies. The results indicate that the developed dashboard is capable of presenting sales information through data visualization, Key Performance Indicators (KPI), sales trend analysis, and real-time agent performance monitoring. The implemented system improves data processing efficiency, facilitates sales monitoring activities, and supports more effective decision-making within the company.
Aplikasi Pengelolaan dan Pelaporan Kas RT/RW Berbasis Web di RT 005/03 Pejaten Barat Firmansyah Surya Putra; Farizi Ilham; Ardi Hidayattuloh; Jihan Rifa Salwa
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 06 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Cash management within the RT/RW community environment is an important activity in maintaining proper financial administration among residents. This activity includes recording cash inflows and outflows such as monthly contributions, community activity funds, and operational expenses. However, in practice, cash recording is still commonly performed manually using notebooks or simple spreadsheets that are not well integrated. This condition results in poorly organized financial data, risk of recording errors, and difficulties in searching data and preparing reports which require considerable time. The purpose of this Practical Work (KP) is to design and develop a web-based RT/RW Cash Management and Reporting Application to assist administrators in managing financial data effectively and efficiently. The system development method used is the Software Development Life Cycle (SDLC) with the Waterfall model, which includes requirement analysis, system design, implementation, and testing stages. The system was developed using PHP programming language and MySQL database. The system scope includes resident data management, cash inflow and outflow recording, monthly and annual reporting, cash information dashboard, data search features, and user management. The expected result of this application is to improve financial administration order, minimize recording errors, simplify report generation, and enhance transparency of cash management for residents.

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