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All Journal Journal of Applied Computer Science and Technology (JACOST) JITSI : Jurnal Ilmiah Teknologi Sistem Informasi
Aldo Erianda
Politeknik Negeri Padang
Computer Science & IT

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Implementasi Metode Least Square untuk Peramalan Persediaan Barang Pada Sistem Inventori CV. Tre Jaya Perkasa Tulsi Yasmi Tulsi; Aldo Erianda; Rita Afyenni
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 3 No 4 (2022)
Publisher : SOTVI - Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/jitsi.3.4.100

Abstract

Entering the era of society 5.0 has brought many changes in various sectors, one of which is in the business sector. Competition in the business world and the rapid development of information technology, requires companies to make changes in business processes, one of which is CV. Tre Jaya Perkasa which is engaged in the distribution of goods such as snacks, drinks and daily needs. CV. Tre Jaya Perkasa is located in Solok, West Sumatra, Indonesia. CV. Tre Jaya Perkasa already has more than 1000 customers who take goods for resale. The number of sales transactions will affect the inventory in the warehouse. Inventory control is important for distributor companies to reduce stockouts for certain products. With this, a system is needed that is able to predict inventory for the future. For forecasting inventory, the Least Squares method can be applied. The Least Square method is a method used to determine trend equation data including Time Series analysis with two cases, namely even and odd case data. To measure forecast errors using this study the Mean Absolute Percentage Error (MAPE) method was used. This system is built using the Yii2 framework and the testing system uses Black Box Testing.
Optimasi Pengelolaan Administrasi Data melalui Sistem Informasi Terintegrasi di Nagari Gunung Rajo (Sinagari) Yance Sonatha; Aldo Erianda; Safira Putri Nabila
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 4 No 3 (2023)
Publisher : SOTVI - Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/jitsi.4.3.189

Abstract

In the present day, which is characterized by the prevalence of information technology, the primary emphasis for governments is on effectively handling regional administrative data in order to promote transparency and responsiveness. This article presents a research study that investigates the implementation of a web-based information system in Nagari Gunung Rajo, West Sumatra, with the aim of enhancing the effectiveness, precision, and openness of administrative procedures. The waterfall process is employed, encompassing the stages of requirements analysis, design, program code production, and testing. The outcome is a comprehensive system that facilitates the efficient management of population and nagari data for administrators, operators, and general users. This includes user-friendly features such as data import, public complaint handling, and letter filing capabilities. This study presents a novel approach to enhance the efficacy of public services through the utilization of information technology in the effective management of regional administration.
Sistem Pakar Diagnosa Kerusakan Smartphone Menggunakan Metode Certainty Factor Ilham Agus Pratama; Aldo Erianda; Ardi Syawaldipa
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 7 No 1 (2026)
Publisher : SOTVI - Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/jitsi.7.1.556

Abstract

Smartphones are multifunctional telecommunication devices that have become an essential part of everyday life. However, with the increasing use of smartphones, damage to these devices often occurs and is difficult for lay users to detect. To assist Pagaruyung Ponsel employees or cashiers in diagnosing smartphone damage without needing to rely on expert technicians, this study developed a computer-based expert system. This system combines the Forward Chaining and Certainty Factor (CF) methods to accurately detect smartphone damage. By utilizing expert knowledge, this system provides appropriate solutions based on detected symptoms. The system's accuracy test results showed a value of 85%, which proves the system's effectiveness in providing accurate diagnoses. It is hoped that this system can facilitate independent smartphone diagnosis and repair anytime and anywhere, through a website-based platform. The implementation of this expert system with the Forward Chaining and Certainty Factor (CF) methods is expected to increase the speed and efficiency in handling smartphone damage problems
Arsitektur Sistem Point of Sale (POS) Multi-Cabang Berbasis Web untuk Perusahaan Ritel Terdistribusi: Studi Kasus pada Raffi Collection Mardhatillah; Aldo Erianda; Ronal Hadi
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 7 No 2 (2026)
Publisher : SOTVI - Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/jitsi.7.2.606

Abstract

In the modern retail ecosystem, managing distributed store operations through manual interventions presents critical vulnerabilities regarding data consistency, synchronization delays, and operational inefficiencies. This research addresses these systemic limitations by designing and implementing a web-based, centralized Multi-Branch Point of Sale (POS) system tailored for Raffi Collection, a retail enterprise managing three geographically dispersed branches in Bukittinggi. Adopting the structured Waterfall development methodology—encompassing requirements analysis, system design, implementation, testing, and maintenance—the platform was engineered utilizing the Laravel MVC framework and a centralized MySQL relational database management system. The system architecture incorporates a robust Role-Based Access Control (RBAC) mechanism defining distinct operational permissions for Super Admins and Branch Admins. Key functional workflows feature real-time transaction processing with automated cryptographic-like receipt string generation, an advanced cross-branch stock transfer approval workflow, and dynamic multi-criteria reporting engines covering sales, expenditures, inventory mutations, and net profit-loss analytics. Empirical system testing validated absolute data synchronization across all nodes, strict enforcement of security policies (demonstrated by automated 403 Access Denied responses to unauthorized routing), and precise financial auditing capability. The implementation effectively eliminates data redundancy, mitigates recording latencies, and provides business stakeholders with real-time, data-driven decision support tools
Co-Authors Alde Alanda, Alde Ardi Syawaldipa Cecilya Hamedeko Cindy Klaudya Putri Dwiny Meidelfi Fikri Maulana Fitri Nova Hidra Amnur Ilham Agus Pratama Indri Rahmayuni Jihan Fadhilah Lathifah Hanum Mardhatillah Marisa Ayu Saphira Muhammad Fajri Rendhika Aditya Rita Afyenni Ronal Hadi Safira Putri Nabila Tulsi Yasmi Tulsi Yance Sonatha