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J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Published by Universitas Negeri Jakarta
ISSN : 26204827     EISSN : 26204827     DOI : -
Core Subject : Science,
Computer Science & IT
J-KOMA is an open access journal, with core focus in two aspect: computer science general and information technology. All copyrights are retained by each respective author, but we hold publishing right. Currently, this journal has E-ISSN :2620-4827 published by LIPI which made it as a national journal.
Arjuna Subject : Ilmu Komputer (semua kategori) - Aplikasi Ilmu Komputer
Articles 53 Documents
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Pengembangan Sistem Informasi Akademik Surat Masuk dan Surat Keluar di Rumpun Matematika FMIPA UNJ Berbasis Website Dwi Solihatun
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 5 No 1 (2022): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v1i1.29277

Abstract

Letter is a written communication media made by one party and addressed to another party. The existence of letters cannot be replaced by technology that is currently developing, because letters are considered as authentic evidence in black over white. Communication in the form of correspondence will never be abandoned, either personally or by government agencies/organizations. One of the agencies that use correspondence as a means of communication is the Mathematics Clump of the Faculty of Mathematics and Natural Sciences (FMIPA) UNJ which consists of four Study Programs. This thesis aims to develop an Academic Information System for Incoming and Outgoing Letters in the Mathematics Clump of FMIPA UNJ which can help process correspondence in the Mathematics Clump of FMIPA UNJ online. Software development method (Software Development Life Cycle) with the Spiral model. The implementation stage of this system uses the MVC (Model View Controller) concept with the help of framework. At the end of the development, the system is tested using the Black Box which consists of functional tests and non-functional tests or usability tests. The test was carried out using a User Acceptance Test (UAT) questionnaire. The results of the functional test of 91.2% are obtained, it can be said that functionally the whole system is running well and as needed. And the non-functional test results are worth 93.2%, it can be said that the usability value of the whole system gets a very decent predicate.
Pemanfaatan Data Oriented Technology Stack dalam Game Engine Unity dan Teknologi Klasik Unity untuk Membuat Permainan Danmaku Tantyo N. T.; Med Irzal; Lipur Sugiyanta
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 1 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v1i1.34128

Abstract

Video games are relatively resource-intensive. Unlike most common apps, they require additional quality of their resources such as bigger RAM and faster processing speed due to the nature of unpredictability. Even now, one could say that despite the advancement in hardware technologies; a number of video games still demand better resources. To aid this issue, Unity Technologies has introduced a new technology called Data Oriented Technology Stack for their game engine; or DOTS. The DOTS technology is based on the Entity Component System architecture which is an adaptation of the data-oriented paradigm for engineering a software program or for a solution. But as of the time of writing this, the technology isn’t ready yet and considered unstable; so a game developer that wishes to use DOTS still need to use the classic technology of the engine. To display the usability and a degree of potential from Unity’s DOTS technology, this thesis will present a danmaku game development using both DOTS and the classic MonoBehaviour technology.
Factors Affecting Behavioral Intention of Delivery Drones During the COVID-19 Pandemic Hendarno, Ari; Med Irzal
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 1 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v1i1.40106

Abstract

Delivery of goods which is usually done by face to face is advised not to do. Physical distancing is recommended by World Health Organization (WHO). Physical distancing helps limit the spread of COVID-19 this means we keep a distance of at least 1m from each other and avoid spending time in crowded places or in groups (WHO, 2020). A possible alternative is to make deliveries using drones. It can keep the sender and receiver from seeing each other face to face. The final decision on using the drone delivery service rests with the customer. This will be closely related to customer's behavioral intention. This study aims to find out what factors influence behavioral intention to use drone delivery during the COVID-19 pandemic. The factors analyzed were function, cognition, hedonic motivation, incentive, social benefits, and health benefits. These factors are tested and analyzed which influences behavioral intention. The results obtained are function, cognition, and health benefits. The significance level in this study is 0.1 with a limit T-value of 1.29007.
Ekspansi Aplikasi Aqua Breeding dengan Penambahan Fitur Inventarisasi untuk Penentuan Harga Dasar Produk Perikanan Berbasis Android Alfatih, Akbar Maulana; Muhammad Eka Suryana; Med Irzal
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 2 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v2i1.47271

Abstract

Freshwater fisheries cultivation is one of the fisheries sources in Indonesia. In cultivation, it is important to record inventory indicators such as fish feed, fish supplements, pond assets, pond electricity, and fish seed, which are useful in determining fish selling prices. This research aims to expand the application of Aqua Breeding by adding inventory features for recording inventory usage and determining minimum fair fish prices. Data for this study were derived from discussions with freshwater fish cultivators from JFT (J Farm Technology) and literature studies involving relevant research journals. These discussions resulted in user requirements that guided the creation of a web service backend and its implementation on a mobile frontend. The system development method employed was Scrum with five sprints, utilizing Flask with Python for the backend and Flutter with Dart for the frontend technologies. The final outcome of this research is a web service in the form of a REST API with documentation, integrated into an Android-based application, validated through unit testing and User Acceptance Testing (UAT).
Sistem Pakar Diagnosa Kerusakan Laptop Menggunakan Metode Naïve Bayes-Certainty Factor Berbasis Website Novitasari; Ria Arafiah; Mulyono
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 2 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v2i1.47272

Abstract

Laptop damage is a condition where the laptop malfunctions caused by damaged components in the laptop. According to the ICT Survey and Its Implications for Socio-Cultural and Economic Aspects of Society in Indonesia, 41.55% of Indonesians are computer/laptop users. Seeing that this number is quite large and not everyone can diagnose damage and handle laptop damage, this research is here to build an expert system for diagnosing laptop damage. This study discusses the development of a laptop-based expert system for diagnosing damage website as an effort to provide laptop damage diagnostic services along with suggestions or solutions that can be repair the damage experienced by the user's laptop. This expert system was developed using the methodNaïve Bayes and Certainty factor. The input given to the system is in the form of symptoms of damage experienced, along with its intensity. Method naïve bayes used to find the highest probability of the diagnosis. The results of this diagnosis are then processed using certainty factor to determine the level of confidence in the results of the diagnosis. This expert system comes in the form website built using framework CodeIgniter and MySQL. Based on the results of system testing using 40 expert data, it shows that the expert system for diagnosing laptop damage uses the method Naïve Bayes-Certainty factor shows the suitability of the results of system diagnostics with expert diagnoses that is equal to 85%.
Sistem Penyeleksian Beasiswa Menggunakan Metode Simple Additive Weighting Pada Biro Akademik Kemahasiswaan dan Hubungan Masyarakat Universitas Negeri Jakarta Andrew Alvaro Hazizi; Ria Arafiah; Mulyono
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 2 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v2i1.47275

Abstract

Education is the key to improving quality of life, but the high cost of higher education often becomes a barrier. Universitas Negeri Jakarta (UNJ), through its Academic and Student Affairs Bureau and Public Relations (Bakhum), offers various scholarship programs. However, the selection and data management processes are still manual. This research designs and builds the Scholarship Selection Information System at Bakhum UNJ using the Simple Additive Weighting (SAW) method. This website-based system integrates criteria such as academic achievement, non-academic achievements, and financial conditions to determine scholarship recipients. The use of Laravel and MySQL ensures efficiency in data management. At the end of development, the system underwent black box testing to assess functionality and usability testing to evaluate its usefulness. The black box testing achieved 100% functionality, indicating that the system features operate as expected. Usability testing using Likert scale analysis yielded a usability score of 99.15%, indicating high suitability of the system. It is expected that this system will improve selection efficiency, save time, and ensure scholarships are awarded according to criteria. As a result, UNJ can support deserving students, enhance data management quality, and allocate scholarships more accurately.
Improvisasi Crawling pada Peta Web Menggunakan Algoritma Terdistribusi dengan Model Koordinasi Berbasis Socket Programming Muhammad Ridho Rizqillah; Muhammad Eka Suryana; Med Irzal
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 2 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v2i1.47277

Abstract

Search engines require a large amount of data to operate optimally. Handling large data necessitates massive crawling processes. This research aims to enhance crawling efficiency by implementing a distributed crawler using sockets as the communication medium between devices. The distributed architecture of the crawler system includes a tracker, manager, and client. Its primary goal is to improve crawling efficiency and effectiveness through distributed means. The final outcome of this innovation shows a distributed increase of 30% in data acquisition with two crawlers compared to individual crawlers, with no duplicated data.
Prototype System Klasifikasi Genus Ikan Menggunakan Viola-Jones Feature Extraction dan Boosting Berbasis Decision Tree Nehemiah Austen Pison; Muhammad Eka Suryana; Med Irzal
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 2 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v2i1.47278

Abstract

Sektor budidaya perikanan di Indonesia adalah sebuah sektor ekonomi yang bernilai besar bagi ekonomi masyarakat Indonesia, namun sektor ini masih memiliki problem yang lumayan besar dalam klasifikasi ikan. Dalam penelitian ini, penulis menggunakan metode Viola-Jones Feature Extraction dan Boosting Berbasis Decision Tree untuk melakukan klasifikasi ikan. Langkah pertama dalam metode ini adalah dengan melatih weak classifier untuk mengklasifikasi beberapa fitur beberapa kelas ikan, diikuti dengan Boosting, dan pembuatan sebuah cascade untuk mempercepat proses klasifikasi. Hasil dari proses ini adalah sebuah program yang dapat mengklasifikasi dan menganotasi ikan berdasarkan input gambar.
Perancangan UI/UX pada Penjualan Produk Bodycare Dermanifest Menggunakan Metode Design Thinking Putu Sanisa Pascaline; Fariani Hermin Indiyah; Ari Hendarno
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 6 No 2 (2023): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v2i1.47281

Abstract

The digitalization trend has driven many companies to transition to websites, including those in the bodycare industry, due to challenges in product inventory, manual ordering processes, and fierce competition in e-commerce. One such affected entity is Dermanifest. Dermanifest is a bodycare product sales company committed to enhancing customer service through innovation. Throughout its business journey, Dermanifest has faced difficulties in accessing product information and interacting with sellers. To address these issues, a UI/UX design was developed using the design thinking method to meet user needs effectively. The process involved five stages: Empathize through interviews with Customers and Admins, Define to establish key problems, Ideate for solution generation, and Prototype and Test stages. Effective UI/UX design was crucial to developing a website that meets both business internal needs and customer requirements. This research successfully produced two UI/UX prototypes—low-fidelity and high-fidelity—with 25 specific pages for Dermanifest Admin and 15 pages for Customers. These designs received an Excellent rating for all aspects in achieving Dermanifest users' goals based on User Experience Questionnaire (UEQ) evaluations. Subsequently, Usability Testing was conducted using the Maze platform, resulting in a score of 87.2 out of 100 for the Admin interface. In conclusion, employing a user-centered approach, the UI/UX design effectively addressed Dermanifest's challenges and is poised for further implementation. Keywords: Design thinking, UI/UX, Dermanifest, UEQ, Usability Testing, E-commerce, Prototype.
Perancangan Sistem Informasi Penyusunan Rencana Pelaksanaan Pembelajaran (RPP) Berbasis Website Meidina Yasmine, Nadira; Indiyah, Fariani Hermin; Salsabila, Ellis
J-KOMA : Jurnal Ilmu Komputer dan Aplikasi Vol 7 No 1 (2024): J-KOMA : Jurnal Ilmu Komputer dan Aplikasi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/j-koma.v7i1.03

Abstract

The researches conducted in 2021 indicate the challenges faced by teachers in creating Lesson Implementation Plans (RPP) for the 2013 Curriculum, particularly related to a lack of time and the absence of a system that can facilitate these needs. This study aims to address these issues by establishing a system to assist teachers in formulating RPP efficiently. The development approach involves using the ReactJS framework for the front-end and NodeJS for the back-end. Agile methodology is applied as an approach in the SDLC, aligning with the scale of the system being small and subject to periodic changes. The results of the system testing through User Acceptance Testing (UAT), conducted with 15 respondents, show a user acceptance rate of 90%, indicating that the system has a high utility value with a very suitable predicate.

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