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All Journal Jatilima : Jurnal Multimedia Dan Teknologi Informasi Jurnal Nasional Teknologi Komputer Jurnal Masyarakat Indonesia
Risky Hadiansyah
Universitas Budi Darma
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education

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Sistem Pendukung Diagnosis Kehamilan dan Kelainannya Menggunakan Jaringan Saraf Tiruan Backpropagation M. Syaifuddin; Risky Hadiansyah; Nancy Armaya
Jurnal Nasional Teknologi Komputer Vol 4 No 4 (2024): Oktober 2024
Publisher : CV. Hawari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61306/jnastek.v4i4.511

Abstract

Pregnancy-related complications require timely recognition, while symptom patterns may vary among patients. This study develops a decision-support model based on a backpropagation artificial neural network to classify six pregnancy-related conditions from symptom data. The dataset contains 172 records represented by 17 input variables and six output classes: normal pregnancy, early pregnancy, hyperemesis gravidarum, preeclampsia/eclampsia, hydatidiform mole, and ectopic pregnancy. Experiments evaluated training-test proportions of 90:10, 80:20, 70:30, 60:40, and 50:50, in addition to a resubstitution experiment using all records. The selected network used 17 input neurons, 50 hidden neurons, six output neurons, a sigmoid activation function, learning rate 0.1, target error 0.01, and a maximum of 50,000 epochs. Training accuracy reached 100% in the reported scenarios, whereas independent test accuracy ranged from 71.43% to 85.71%. The best holdout result was obtained with the 80:20 split, recognizing 30 of 35 test records (85.71%). These findings indicate that backpropagation can support multiclass pregnancy-condition classification, but further stratified validation and external clinical evaluation are required before practical diagnostic use.
Application of the Operational Competitiveness Rating Analysis (OCRA) Method to Assess Operational Performance and Competitiveness at CV Technology Update Computer Murdani; Risky Hadiansyah
Jurnal Multimedia dan Teknologi Informasi (Jatilima) Vol. 7 No. 04 (2025): Jatilima : Jurnal Multimedia Dan Teknologi Informasi
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jatilima.v7i04.2715

Abstract

Operational performance assessment is important for technology-based service companies to identify service strengths, weaknesses, and competitiveness. CV Technology Update Computer is a technology service business located in Lae Butar, Gunung Meriah District, Aceh Singkil Regency, Aceh, which provides CCTV supply and installation, computer networking services, laptop sales and services, and technology training. This study aims to apply the Operational Competitiveness Rating Analysis (OCRA) method to assess operational performance and competitiveness at CV Technology Update Computer. This research used a quantitative descriptive case-study design. Four operational service alternatives were evaluated using seven criteria, namely service quality, response time, technical accuracy, operational cost, technician competence, product/service availability, and customer satisfaction with after-sales support. The data were processed by classifying criteria into benefit and cost criteria, calculating preference values, and determining the final OCRA score for each alternative. The results show that CCTV supply and installation obtained the highest final OCRA score, followed by laptop sales and services, computer networking services, and technology training. These findings indicate that CCTV supply and installation is the strongest operational service, while technology training requires further improvement in operational efficiency and supporting facilities. This study contributes by demonstrating that the OCRA method can be used as a systematic and measurable decision-support approach for evaluating operational performance and improving competitiveness in technology-service businesses.
Pelatihan Sistem Operasi Ubuntu 16.04 Bagi Siswa/I Magang Di Universitas Budi Darma M.Syaifuddin; Sumiaty A. Hutabarat; Risky Hadiansyah
Jurnal Masyarakat Indonesia (Jumas) Vol. 3 No. 02 (2024): Jurnal Masyarakat Indonesia (Jumas)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jumas.v3i02.422

Abstract

Perkembangan teknologi informasi menuntut peserta didik, khususnya siswa sekolah menengah kejuruan, untuk memiliki pengetahuan dan keterampilan praktis dalam bidang teknologi komputer. Salah satu kompetensi dasar yang perlu diperkenalkan adalah penggunaan sistem operasi berbasis Linux, termasuk Ubuntu. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk memberikan pengetahuan dasar dan pengalaman praktik kepada siswa/i magang di Universitas Budi Darma mengenai sistem operasi Ubuntu 16.04. Pelaksanaan kegiatan menggunakan pendekatan pembelajaran teori dan praktik yang didukung oleh wawancara, observasi, dan studi pustaka dalam tahap persiapan. Kegiatan meliputi pengenalan sistem operasi Ubuntu, penyampaian materi, demonstrasi penggunaan, serta praktik langsung menggunakan komputer. Pendekatan tersebut dirancang agar peserta tidak hanya memperoleh pemahaman konseptual, tetapi juga mengenal penggunaan sistem operasi Linux secara langsung. Laporan kegiatan mendokumentasikan pelaksanaan pelatihan melalui uraian kegiatan dan foto aktivitas peserta. Namun, data kuantitatif mengenai jumlah peserta, hasil tes sebelum dan sesudah pelatihan, serta pengukuran peningkatan keterampilan belum tersedia dalam laporan. Oleh karena itu, hasil kegiatan dibahas berdasarkan pelaksanaan dan tujuan pelatihan, bukan berdasarkan klaim peningkatan kompetensi yang terukur.
Co-Authors M. Syaifuddin M.Syaifuddin Murdani Nancy Armaya Sumiaty A. Hutabarat