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All Journal JUTI: Jurnal Ilmiah Teknologi Informasi JUITA : Jurnal Informatika Journal of Information System JOIN (Jurnal Online Informatika) Jurnal TAM (Technology Acceptance Model) IKRA-ITH Informatika : Jurnal Komputer dan Informatika Jurnal Informatika Universitas Pamulang ILKOM Jurnal Ilmiah INTECOMS: Journal of Information Technology and Computer Science JURNAL PENDIDIKAN TAMBUSAI KOMPUTEK EDUMATIC: Jurnal Pendidikan Informatika Jurnal Pendidikan dan Konseling INTERNATIONAL JOURNAL OF EDUCATION, INFORMATION TECHNOLOGY, AND OTHERS PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Nusantara Journal of Computers and its Applications Jurnal Komputer dan Elektro Sains Jurnal TAM (Technology Acceptance Model) JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Adhi Rizal
Universitas Singaperbangsa Karawang
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Other

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[Retraction] Penerapan Forward Chaining Pada Sistem Pakar Pengendalian Internal Bank Pemberian Kredit Pemilikan Rumah Apriade Voutama; Adhi Rizal
ILKOM Jurnal Ilmiah Vol 15, No 1 (2023)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v15i1.839.201-214

Abstract

Sistem permohonan kredit pemilikan rumah yang biasa dikelola oleh bank saat ini sangat dibutuhkan banyak masyarakat terutama bagi nasabah yang sudah bekerja dan ingin memiliki rumah. Salah satu upaya yaitu menciptakan Sistem Pakar yang bisa memberikan kemudahan pihak internal dalam pengendalian pemberian kredit rumah kepada nasabah agar tidak terjadi kredit macet dan nasabah tidak terlalu lama menunggu untuk persetujuan permohonan kredit rumah. Sistem Pakar adalah salah satu bagian dari Kecerdasan Buatan yang mampu pengadopsi pola pikir manusia dengan cara pemecahan masalah selayakanya seorang pakar. Metode yang diterapkan yaitu Forward Chaining untuk pengendalian internal KPR. Metode Forward Chaining digunakan dengan membuat rule melalui kumpulan fakta dan data sebagai persyaratan KPR kemudian disusun menjadi pohon keputusan yaitu kesimpulan berdasarkan aturan. Proses tersebut menghasilkan beberapa keputusan layak atau tidaknya nasabah mengajukan kredit rumah, apabila diterima nasabah akan disesuaikan berdasarkan level solusi sesuai syarat-syarat nasabah. Hasil tersebut diimplementasikan menjadi Sistem Pakar sehingga pihak Bank akan mudah mengendalikan pemberian kredit kepada nasabah serta dapat pengantisipasi kredit macet.
Sosialisasi Perpajakan dan Pendampingan UMKM sebagai Upaya Meningkatkan Kesadaran Membayar Pajak bagi UMKM Jawa Barat Pengguna E-Commerce Suhono Suhono; Adhi Rizal; Reminta Lumban Batu; Talia Laitanii Paratika
Jurnal Pendidikan Tambusai Vol. 6 No. 1 (2022): April 2022
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (327.104 KB)

Abstract

Kegiatan pengabdian ini bertujuan untuk memberikan edukasi bagi Usaha Mikro, Kecil, dan Menengah (UMKM) pengguna E-Commerce serta memberikan pendampingan dalam pembuatan Nomor Pokok Wajib Pajak (NPWP), pembayaran serta pelaporan pajak UMKM yang berada di Jawa Barat. Metode pelaksanaan pengabdian dilakukan dalam tiga tahap. Tahap pertama merupakan tahap perencanaan melalui focus group discussion dan sharing section. Tahap kedua merupakan pelaksanaan kegiatan berupa sosialisasi perpajakan dan diskusi secara daring menggunakan aplikasi zoom meetings. Tahap ketiga adalah pendampingan pembuatan NPWP bagi UMKM Binaan pengguna E-Commerce. Berdasarkan kegiatan yang telah dilaksanakan, UMKM Binaan memperoleh hasil berupa NPWP bagi UMKM dan orang pribadi, tata cara pembayaran serta pelaporan pajak secara online. Kegiatan pengabdian ini harus dilakukan secara konsisten setiap tahun agar meningkatkan kesadaran dan kepatuhan UMKM pengguna E-Commerce dalam membayar pajaknya.
Analisis Perbandingan Kecepatan Transfer Data Dengan Kabel USB Tipe A Dan USB Tipe C Rizal Nur Alfi; Kartika Hijjayanti; Nurrochmat Saptoaji; Adhi Rizal
NJCA (Nusantara Journal of Computers and Its Applications) Vol 4, No 2 (2019): Desember 2019
Publisher : Computer Society of Nahdlatul Ulama (CSNU) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36564/njca.v4i2.156

Abstract

Every technology device these days should have a lot of components which support the performance of the devices, one of the components is Universal Serial Bus or known as USB. USB is a communication protocol on a device that can be use as a connection between devices. There's a lot of type from USB it self, such as USB type A and USB type C, and both have their own capabilities. We can find USB type A are still used this time especially on smartphones, but slowly we can feel the impact of appearence of USB type C is can shift the position of USB A because of its superior ability compared to USB A. According to that, it have been tested between cables with USB A connector and USB C connector with experimental research to find out the quality of USB as seen from the transfer rates of the two types of USB. The result of the experiment, explains that USB cable with type A connector is faster than USB type C. Results of the experiment are inversely proportional to the theory because of many factors that influence.
Pengembangan Laboratorium Virtual Fisika Osilasi Adhi Rizal; Riza Ibnu Adam; Susilawati Susilawati
JOIN (Jurnal Online Informatika) Vol 3 No 1 (2018)
Publisher : Department of Informatics, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/join.v3i1.140

Abstract

This research aims to develop a virtual lab application with oscillation concept. Oscillation concept in this application is described as pendulum motion. The application was developed by using the ADDIE model and Easy Java Simulations (EJSs) software. It has advantages compared with similar applications, which has a damping coefficient that similar with real world condition. Some other features of the application are the users can run and pause the simulation, observe the details of changes in pendulum movement angle by using step forward button, users can change pendulum mass, adjust the length of the rope, gravitational force, initial angle, damping coefficient, and can observe the change of pendulum angular position in parabolic graphs in real-time. The application was tested using the Technology Acceptance Model (TAM) concept. Based on the research results, the user satisfaction level is categorized as very useful. Therefore, it can be conclude that the application can be accepted and used well by the user.
Webgis-Based Flood Disaster Inventory System in Karawang Regency Yogi Hambali; Aji Primajaya; Adhi Rizal
International Journal of Education, Information Technology, and Others Vol 6 No 3 (2023): International Journal of Education, Information Technology  and Others
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.8265011

Abstract

One of the natural disasters that often occurs in Karawang Regency is flooding. This is caused by high rainfall and the topography of Karawang Regency which tends to be low so that some areas can be submerged. However, along with the rapid development of information technology and Geographic Information System (GIS) in Indonesia, information technology plays an important role in the process of disaster management. The available spatial information can be in the form of facts resulting from events, raw data taken from measurement results, or derived data obtained from conclusions drawn from these facts and data. Therefore, the purpose of this research is to develop a WebGIS-based Karawang District Flood Disaster Inventory System. In its development, the Waterfall Software Development Life Cycle (SDLC) method is used starting from the analysis, design, coding, to testing stages. The results of the system testing are then identified using BlackBox. With this disaster inventory system, it is hoped that the flood disaster management process in Karawang Regency can be carried out more effectively and efficiently.
EVALUASI PENGELOLAAN ASET LABORATORIUM KOMPUTER MENGGUNAKAN STANDAR ISO/IEC 27001 Fahmi Husaeni; Nina Sulistiyowati; Adhi Rizal
Jurnal TAM (Technology Acceptance Model) Vol 9, No 2 (2018): Jurnal TAM (Technology Acceptance Model)
Publisher : LPPM STMIK Pringsewu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56327/jurnaltam.v9i2.675

Abstract

Computer laboratory UNSIKA is a vital facility belonging to the computer science faculty of the university singaperbangsa karawang because it is used to conduct teaching and learning activities practicum. Evaluated the management of computer lab assets UNSIKA using ISO 27001 standard in clause A.8 Assets Management to overcome the problem in asset management. The assets in question (Hardware, Software, Human, Information, Infrastructure and Outsourcing Services) use quantitative research methods and ISO evaluation stage model starting from scoping, planning, implementation, analysis, reporting and closing. The goal is to improve the quality of the management of computer lab assets UNSIKA. This study uses the stages of ISO evaluation with data collection methods from questionnaires with a scattered likert scale for the lab and user respondents. The result of this research is got the value of maturity of asset management of computer laboratory UNSIKA in clause A.8 Assets Management equal to 1,22 still in level 1 (Initial) there is no standard process or procedure in some asset management activities in manual and still applied approach specific to each activity undertaken in asset management.
Prediksi Risiko Perjalanan Transportasi Online Dari Data Telematik Menggunakan Algoritma Support Vector Machine Christ Memory Sitorus; Adhi Rizal; Mohamad Jajuli
Jurnal Teknik Informatika dan Sistem Informasi Vol 6 No 2 (2020): JuTISI
Publisher : Maranatha University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jutisi.v6i2.2672

Abstract

The ride-hailing service is now booming because it has been helped by internet technology, therefore many call this service online transportation. The magnitude of the potential for growth in online transportation service users also increases the risk of user satisfaction which could have declined therefore the company is increasing in its service. Both in terms of application and services provided by partners/drivers of the company. During each trip, the online transportation application will record device movement data and send it to the server. This data set is usually called telematic data. This telematics data if processed can have enormous benefits. In this study, an analysis will be conducted to predict the risk of online transportation trips using the Support Vector Machine (SVM) algorithm based on the obtained telematic data. The data obtained is telematic data so it must be processed first using feature engineering to obtain 51 features, then trained using the SVM algorithm with RBF kernel and modified C values. Every C value that is changed will be used K-Fold cross-validation first to separate the testing data and training data. The specified k value is 5. The results for each trial obtained accuracy, Receiver Operating Characteristic (ROC) and Area Under the Curves (AUC), for the best that is at C = 100 while the worst at C = 0.001.
PENGARUH INTERFERENSI HIDDEN NODE TERHADAP MODEL PREDIKSI KETERSEDIAAN BANDWIDTH DI JARINGAN NIRKABEL Adhi Rizal
JUTI: Jurnal Ilmiah Teknologi Informasi Vol. 18, No. 1, January 2020
Publisher : Department of Informatics, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (876.376 KB) | DOI: 10.12962/j24068535.v18i1.a930

Abstract

Ketersediaan bandwidth merupakan salah satu aspek penting untuk menjamin QoS dalam transmisi data, terutama pada jaringan nirkabel. Walaupun demikian, prediksi ketersediaan pada jaringan nirkabel masih sulit dilakukan karena medium transmisi dapat digunakan oleh beberapa node secara bersamaan. Selain itu jaringan nirkabel juga rentan terhadap pengaruh dari sinyal transmisi yang dihasilkan dari node lain, terutama hidden node. Beberapa penelitian telah dilakukan untuk mengembangkan model prediksi ketersediaan bandwidth. Walaupun demikian, belum terdapat mekanisme terstandarisasi yang digunakan untuk mengevaluasi ketersediaan bandwidth pada jaringan nirkabel. Selain itu tingkat akurasi dari setiap model juga masih belum diketahui ketika diimplementasikan pada jaringan nirkabel, terutama dengan keberadaan hidden node. Oleh karena itu penelitian ini berupaya untuk menginvestigasi kinerja dari setiap model untuk memprediksi ketersediaan bandwidth pada jaringan nirkabel dengan interferensi hidden node. Model prediksi yang dibandingkan adalah Distributed Lagrange Interpolation Based Available Bandwidth Estimation (DLI-ABE), Cognitive Passive Estimation Of The Available Bandwidth (cPEAB),  Improved Available Bandwidth (IAB), dan Available Bandwidth Estimation (ABE). Percobaan dilakukan dalam skala simulasi yang dikembangkan menggunakan simulasi jaringan OMNet++. Hasil penelitian menunjukan bahwa model ABE memperoleh tingkat akurasi yang paling baik sebesar 85,25%.
Transformasi Digital Diagnosis Penyakit GERD Melalui Sistem Pakar Menggunakan Certainty Factor Elfina Novalia; Apriade Voutama; Adhi Rizal
Jurnal Komputer dan Elektro Sains Vol. 4 No. 1 (2026): komets
Publisher : Sultan Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58291/komets.v4i1.555

Abstract

Penyakit Gastroesophageal Reflux Disease (GERD) adalah gangguan pencernaan kronis akibat meningkatnya asam lambung secara berlebih yang membutuhkan pengobatan dini untuk mencegah komplikasi serius. Keterbatasan akses ke tenaga medis spesialis seringkali menghambat proses diagnosis awal. Studi ini bertujuan mengembangkan sistem pakar berbasis web untuk mendiagnosis GERD menggunakan metode Certainty Factor berdasarkan data yang diperoleh dari pakar. Pengembangan sistem menggunakan metodologi Siklus Hidup Pengembangan Sistem Pakar (ESDLC), meliputi enam tahap: akuisisi persyaratan, akuisisi pengetahuan melalui wawancara terstruktur dengan dokter spesialis penyakit dalam untuk memperoleh gejala, aturan If-Then, serta bobot Measure of Belief (MB) dan Measure of Disbelief (MD), desain sistem mencakup basis pengetahuan dan mesin inferensi runut maju, implementasi menggunakan PHP dan MySQL, pengujian akurasi, serta dokumentasi. Hasil perhitungan Certainty Factor menghasilkan nilai kepercayaan yang mencerminkan tingkat kepastian diagnosis berdasarkan gejala yang dimasukkan pengguna. Pengujian terhadap 15 data uji menghasilkan akurasi 93,33%, presisi 88,89%, dan recall 100% untuk diagnosa GERD. Evaluasi kegunaan menggunakan System Usability Scale (SUS) menghasilkan skor rata-rata 78,5 (kategori Good). Hasil ini menunjukkan bahwa sistem mampu berfungsi sebagai instrumen pendukung keputusan klinis (CDSS) yang efektif, akurat, dan mudah diakses bagi masyarakat luas, meskipun cakupan data masukan masih perlu dikembangkan lebih lanjut.
GAME EDUKASI ADAPTIVE LEARNING UNTUK MENINGKATKAN MINAT BELAJAR PEMROGRAMAN C++ BAGI MAHASISWA Hudzaifah Nabil Amrullah; Adhi Rizal; Aji Primajaya
IKRA-ITH Informatika : Jurnal Komputer dan Informatika Vol. 10 No. 2 (2026): IKRAITH-INFORMATIKA Vol 10 No 2 Juli 2026
Publisher : Fakultas Teknik Universitas Persada Indonesia YAI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37817/ikraith-informatika.v10i2.7208

Abstract

C++ programming is a fundamental course in computer science education; however, its abstract nature and strict syntax lead to low student learning interest. Previous studies indicate that conventional learning approaches are one-size-fits-all and do not accommodate individual learning style differences. This study designs and implements an adaptive learning-based educational game called "Code Adventure" that integrates the Felder-Silverman Learning Style Model (FSLSM), Item Response Theory (IRT), and Dynamic Difficulty Adjustment (DDA) within the Unity 2D game engine. System development follows the Game Development Life Cycle (GDLC) with five stages: initiation, pre-production, production, testing, and release. Functionality testing employs black-box testing, while the effectiveness of learning interest improvement is measured through a pre-experimental one-group pretest-posttest design with convenience sampling of 19 students. Test results confirm that all adaptive learning features function according to specifications. N-Gain Score analysis yields an average value of 0.65 (medium category), indicating a significant improvement in C++ programming learning interest after using the adaptive educational game. These findings confirm that content personalization based on learning styles and dynamic difficulty adjustment can enhance student engagement and learning motivation
Co-Authors Anis Fitri Nur Masruriyah Apriade Voutama Aries Suharso Arip Solehudin Ayu Shafira Tubagus Budi Arif Dermawan Calvin CS Hutasoit Christ Memory Sitorus Dadang Yusup Didi Juardi Dinda Ruwandara Fahmi Husaeni Farrel Marcello Andrean Garno, Garno Heryana, Nono Hudzaifah Nabil Amrullah Imam Yusup Kartika Hijjayanti Nina Sulistiyowati Nono Heyana Novalia, Elfina Nurrochmat Saptoaji Reminta Lumban Batu Reza Ekstanza Riza Ibnu Adam Rizal Nur Alfi Rizal Saepul Mahdi Rizky Darmawan Suhono Suhono Susilawati Susilawati Talia Laitanii Paratika Yayan Prima Nugraha Yogi Hambali