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All Journal Jurnal Teknologi Informasi dan Ilmu Komputer ELINVO (Electronics, Informatics, and Vocational Education) Journal of Information Technology and Computer Science Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Jurnal Sistem Informasi, Teknologi Informasi, dan Edukasi Sistem Informasi (JUST-SI) J-Intech (Journal of Information and Technology)
Satrio Hadi Wijoyo
Program Studi Teknik Informatika, Fakultas Teknologi Informasi, Institut Teknologi Sepuluh Nopember, Surabaya
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Library & Information Science

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Students' Cognitive Load on Computer Programming Instructional Process Using Example-Problem-Based Learning and Problem-Based Learning Instructional Model at Vocational High School Herlambang, Admaja Dwi; Ramadana, Muhammad Rifqy; Wijoyo, Satrio Hadi; Phadung, Muneeroh
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 9 No. 2 (2024): November 2024
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/elinvo.v9i2.57882

Abstract

This paper fills an essential gap in applying cognitive load theory in teaching computer programming within vocational settings. It is an important area to consider for improving students' learning processes who intend to enter the rapidly changing technology sector. This study assessed the distinct impacts of the instructional paradigms, specifically Example-Problem-Based Learning (EPBL) and Problem-Based Learning (PBL), on students' cognitive loads upon framing an iterative structure lesson on computer programming. Vocational programming education is chosen for this purpose because vocational education faces unique challenges in integrating practical skills development with theoretical understanding, and programming tasks involve high cognitive demands. In a quasi-experimental design, 68 vocational high school students were assigned to an EPBL (n = 34) and a PBL (n = 34) group. The measurement of ICL was operationalized by RPI, the ECL by ME, and the GCL by LO. The relationship among the various components of the cognitive load was tested using the Spearman correlation test. There are significant differences in the profile of cognitive load between the two groups: the EPBL group was always associated with the lower ECL and higher GCL. In other words, the present study is original because it systematically compares EPBL with PBL in the context of vocational programming education and provides empirical evidence based on instructional design decisions. These findings suggest a further refinement of the CLT within domain-specific contexts and practical guidelines for optimizing instructional strategies in computer programming education in vocational schools.
Development of Interactive Multimedia-Based Learning Media for Basic Graphic Design Subjects with the ADDIE Model Guidelines at SMK Negeri 5 Malang Husen, Dania Lazuardi; Herlambang, Admaja Dwi; Wijoyo, Satrio Hadi
Journal of Information Technology and Computer Science Vol. 9 No. 3: December 2024
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jitecs.93349

Abstract

This research aims to explain the results of the needs analysis in developing interactive multimedia-based learning media so that it can improve learning outcomes and support the learning interaction process and can motivate students during learning activities. This learning media was built by adapting the ADDIE model which consists Analysis, Design, Development, Implementation, and Evaluation phase. The results of this research test are the learning outcomes of students increase after using learning media. Hypothesis testing with Paired Sample T-Test technique produces a hypothesis that there are differences in learning outcomes due to the use of learning media. The test results based on the use of learning media by students resulted in an average eligibility of media in support of learning interactions of 85.81% and learning motivation of 87.05%. That is, learning media can be categorized as very feasible to be used to build learning interactions and learners' learning motivation.
Analisis Pengaruh Automated Customer Service Berbasis Artificial Intelligence Pada Aplikasi E-commerce (Studi Kasus Aplikasi Lazada) Rosanti, Mitha Diah; Wijoyo, Satrio Hadi; Rachmadi, Aditya
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 9 No 5 (2025): Mei 2025
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Bentuk otomasi yang banyak diterapkan adalah automated customer service, seperti chatbot dan asisten virtual. Banyak perusahaan yang mengembangkan chatbot dan asisten virtual salah satunya di bidang e-commerce. Chatbot merupakan sebuah perangkat lunak yang dibuat untuk meniru cara manusia berkomunikasi menggunakan teks. Asisten virtual merupakan program komputer yang dibuat untuk meniru interaksi dengan manusia dan mendukung penyelesaian berbagai pekerjaan. Penggunaan chatbot dan asisten virtual berbasis AI terbukti memberikan kontribusi signifikan dalam meningkatkan kepuasan pelanggan serta memengaruhi keputusan pembelian. Tujuan penelitian ini adalah untuk mengeksplorasi bagaimana penggunaan chatbot dan asisten virtual pada aplikasi Lazada memengaruhi kepuasan pelanggan dan keputusan pembelian. Dengan pendekatan kuantitatif, data dikumpulkan melalui penyebaran kuesioner secara online kepada minimal 195 responden dan diuji menggunakan regresi dengan variabel mediasi. Hasil penelitian mengindikasikan bahwa penggunaan LazzieChat dan CLEO berpengaruh terhadap kepuasan pelanggan. Selanjutnya, penggunaan LazzieChat dan CLEO juga berpengaruh terhadap keputusan pembelian serta kepuasan pelanggan juga memberikan pengaruh terhadap keputusan pembelian. Akan tetapi, kepuasan pelanggan tidak terbukti memiliki peran penting sebagai variabel intervening dalam memengaruhi pelanggan pada keputusan pembelian. Penelitian ini menyimpulkan bahwa penerapan automated customer service berbasis AI seperti chatbot dan asisten virtual dapat meningkatkan pengalaman pelanggan secara signifikan terhadap kepuasan pelanggan dan keputusan pembelian di aplikasi Lazada. Kata kunci: Chatbot, Asisten Virtual, Kepuasan Pelanggan, Keputusan Pembelian
Rekomendasi Penempatan Kegiatan Praktek Kerja Lapangan (PKL) menggunakan Metode Profile Matching pada Jurusan Teknik Komputer dan Jaringan (TKJ) di SMK Negeri 2 Malang Siregar, Rafi Arya; Wijoyo, Satrio Hadi; Wicaksono, Satrio Agung
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 9 No 5 (2025): Mei 2025
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Sekolah Menengah Kejuruan (SMK) memiliki program pendidikan, yaitu Praktek Kerja Lapangan atau yang biasa disebut PKL. PKL bertujuan meralisasikan kebijakan link and match guna mencetak peserta didik yang sesuai dengan kualifikasi kebutuhan Dunia Usaha/Dunia Industri. SMK Negeri 2 Malang selaku penyelenggara kegiatan PKL melakukan proses penempatan berdasarkan formular pendaftaran yang ditentukan oleh jarak bepergian dan keminatan berbasis pendamping. Maka dari itu, perlunya pemberian rekomendasi tempat PKL meliputi aspek kompetensi peserta didik sebagai kriteria penunjang keberhasilan penempatan PKL. Profile matching merupakan mekanisme yang umum digunakan dalam sebuah sistem pengambilan keputusan dengan mempertimbangkan tingkat variabel prediktor oleh subjek serta mengasumsikan tingkat ideal yang harus dimiliki mereka. Penelitian ini menggunakan model analisis berbasis metode profile matching dengan bahasa pemrograman phyton, PHP, dan SQL untuk merekomendasikan penempatan PKL yang sesuai berbasis klasifikasi jenis PKL. Hasil pengujian dengan lima sampel data siswa menggunakan metode korelasi spearman rank menghasilkan nilai senilai 1 untuk jenis PKL Mobile Engineering, 0,9 untuk jenis PKL Software Engineering dan, 0.9 untuk jenis PKL Internet of Things. Berdasarkan hasil pengujian tersebut, model analisis menggunakan metode profile matching layak digunakan untuk menempatkan kegiatan PKL di SMK Negeri 2 Malang pada Jurusan Teknik Komputer dan Jaringan.
Analisis Faktor yang Memengaruhi Penggunaan Cryptocurrency Menggunakan Unified Theory of Acceptance and use of Technology (UTAUT) Termodifikasi (Studi Kasus Pada Generasi Z di DKI Jakarta) Hanun, Putri Nabilah; Wijoyo, Satrio Hadi; Rachmadi, Aditya
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 9 No 5 (2025): Mei 2025
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Perkembangan Financial Technology (Fintech) telah membawa perubahan dalam penyediaan dan akses layanan keuangan termasuk di kalangan Generasi Z. Pengguna cryptocurrency mengalami peningkatan pada bulan maret dengan mayoritas pengguna baru tersebut merupakan Generasi Z dan milenial. FIRE Movement semakin populer di kalangan Generasi Z yang tertarik pada gagasan untuk mencapai kebebasan finansial di usia muda melalui pengelolaan keuangan yang disiplin dan investasi. Penelitian ini berupaya menganalisis faktor yang mempengaruhi minat penggunaan cryptocurrency di kalangan Generasi Z di DKI Jakarta menggunakan model Unified Theory of Acceptance and Use of Technology (UTAUT). Responden pada penelitian ini merupakan pengguna aktif atau pernah menggunakan cryptocurrency, termasuk generasi Z (18-27 tahun), dan berdomisili di DKI Jakarta. Responden pada penelitian ini berjumlah 130 orang dengan mengumpulkan data melalui penyebaran kuesioner. Hasil dari penelitian ini menunjukkan lima dari delapan hipotesis diterima karena memiliki hubungan yang positif dan efek yang signifikan. Performance expectancy, perceived security, early retirement berpengaruh secara signifikan terhadap behavioral intention cryptocurrency. Selain itu facilitating conditions dan behavioral intention berpengaruh positif terhadap use behavioral cryptocurrency. Kata kunci: cryptocurrency, UTAUT, perceived security, FIRE movement, generasi z  
Strategi Peningkatan SDM Berdasarkan Pengelompokan Kualitas Kinerja Pegawai CV Mediatama Perkasa Bogor Menggunakan K-Means Clustering Suhartanto, Nathalia Clarissa Anggraini; Wijoyo, Satrio Hadi; Purnomo, Welly
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 9 No 5 (2025): Mei 2025
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Penelitian ini bertujuan untuk mengelompokkan kinerja dan kompetensi karyawan CV Mediatama Perkasa menggunakan metode K-Means Clustering dan mengevaluasi hasil klasterisasi berdasarkan Key Performance Indicators (KPI) perusahaan serta matrik evaluasi seperti Silhouette Score dan Davies-Bouldin Index (DBI). Variabel penelitian meliputi tingkat absensi, tingkat kesalahan kerja, indeks lingkungan kerja, dan motivasi kerja. Teknik t-Distributed Stochastic Neighbor Embedding (t-SNE) digunakan untuk memvisualisasikan hasil klasterisasi. Hasil menunjukkan dua klaster utama dengan karakteristik yang berbeda. Cluster 0 memiliki performa yang lebih baik dengan tingkat absensi rendah dan motivasi kerja tinggi, sementara Cluster 1 menunjukkan performa yang lebih rendah dengan tingkat kesalahan kerja lebih tinggi. Evaluasi menggunakan Silhouette Score (0,199) dan DBI (1.76) mengindikasikan bahwa klasterisasi ini memiliki kualitas yang baik. Penelitian ini memberikan wawasan strategis bagi Divisi SDM untuk meningkatkan kinerja karyawan melalui pelatihan berbasis klaster, insentif kehadiran, dan pengembangan kebijakan KPI yang lebih relevan.
Pengembangan Dashboard Business Intelligence Untuk Monitoring Sistem Tracer Study (Studi Kasus: Fakultas Ilmu Komputer Universitas Brawijaya) Aritonang, Elsa; Wijoyo, Satrio Hadi; Purnomo, Welly
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 9 No 13 (2025): Publikasi Khusus Tahun 2025
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

naskah ini akan diterbitkan di Jurnal Sistem Informasi, Teknologi Informasi, dan Edukasi Sistem Informasi (JUST-SI) FILKOM
Intelligent Computing System to Predict Vocational High School Student Learning Achievement Using Naïve Bayes Algorithm Herlambang, Admaja Dwi; Wijoyo, Satrio Hadi; Rachmadi, Aditya
Journal of Information Technology and Computer Science Vol. 4 No. 1: June 2019
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5451.972 KB) | DOI: 10.25126/jitecs.20194169

Abstract

Vocational High School with ICT major need an intelligent computing system that could predict the student learning achievement. The system used fifteen achievement indicators and Naïve Bayes algorithm in data processing. Testing on student achievement data produces the conclusion that is the highest intelligent accuracy values in 53% with lowest accuracy value in 48% based on Naïve Bayes algorithm processing. The result of mining process using Naïve Bayes algorithm can be used to classify the 3rd year student achievement to five categories. These categories are Very Good, Good, Fair, Poor, and Failed. The system testing result showed that this intelligent computing system function was fitted with Vocational High School’s system requirement, system design, and system implementation.
Interactive Digital Book Development for Computer and Network Fundamental Teaching Subject based on Four - D Model at Indonesian Computer and Network Engineering Vocational High School Herlambang, Admaja Dwi; Akhmadi, Lutfiani; Wijoyo, Satrio Hadi
Journal of Information Technology and Computer Science Vol. 4 No. 2: September 2019
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2734.954 KB) | DOI: 10.25126/jitecs.201942118

Abstract

Computer and Network Fundamental is one of the teaching subjects atComputer and Network Engineering Vocational High School in Indonesia. Thelearning activities at the research location was less interactive because of thelearning process still uses conventional textbooks or static digital books.Solutions that offered in the research are not only interactive digital book productdevelopment inappropriate way but also product implementation in experimentaldesign. The development used Four-D Model. The experimental design usedMatching-Only Pretest-Posttest Control Group Design. The instrumentation usedobservation, interviews, questionnaires, and tests. Content Validity Content(CVR) value based on Subject Matter Experts (SMEs) evaluation result for goal,learner, learning, context, and technical criteria are above 0.75. Paired T-Test andIndependent T-Test results showed that interactive digital book implementationin the learning process can cause an enhancement in student learning outcomes.
Mastery of Technological Pedagogical And Content Knowledge (TPACK) Prospective Teacher In ICT Expertise Brawijaya University Latifah, Luluk; Herlambang, Admaja Dwi; Wijoyo, Satrio Hadi
Journal of Information Technology and Computer Science Vol. 6 No. 3: December 2021
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1153.904 KB) | DOI: 10.25126/jitecs.202163350

Abstract

The Information Technology Education (ITE) study program, Faculty of Computer Science, Universitas Brawijaya requires its students to take part in Pengenalan Lapangan Persekolahan (PLP) 2 according to Permenristekdikti No. 55 of 2017 in order to be able to produce prospective teachers who have the competence of educators. This study describes the gap in mastery of competencies with the TPACK framework based on the results of PLP 2 activities which are compared with standard values using a discrepancy evaluation model. The results of the gap are mapped using the method Importance Performance Analysis (IPA) to determine the priority scale for improvement of variables according to positions in certain quadrants. Through the IPA method, the variables that are prioritized to improve their mastery are TPK and PCK because they have very small gaps. Recommendations are given for the TPK variable to be given a pretest and posttest on the material for preparing teaching tools and training in the preparation of lesson plans. For the PCK variable, should be given pretest and posttest to the study material for theoretical and practical learning scenarios, the activities are needed lesson study which is carried out at least twice.
Co-Authors 'Aisy, Rihadatul Abiyyu, Muhammad Alifandi Aditya Rachmadi, Aditya Admaja Dwi Herlambang, Admaja Dwi Adristi, Tikta Ahmad Afif Supianto Ahnaf, Muhammad Farrel Reginaldo Aji, Yanuar Bimantoro Akbar, Muhammad Aminul Akhmadi, Lutfiani Alfian Hakim Alimah, Cindy Felita Nur Almas, Muhammad Fikri Almira Syawli, Almira Ananda, Reza Berlian Andi Reza Perdanakusuma, Andi Reza Aprilianto, Pratama Ardelia, Ayunizar Fata Ardiansyah, M. Iqbal Aritonang, Elsa Aryani, Lisa Aryati, Meilita Dwi Aryo Pinandito Astriya Nugraha, Dwi Cahya Aswin Suharsono, Aswin Atmaja, Alvino Dwiky Aurellia, Salsabila Rachma Ayuningdias, Risky Azizi Fahreza, Muhammad Alfian Kurnia Azkiyah, Azka Bayu Satriawan, Eka Bihantoro, Riyan Budi Bilqis, Ariqa Cahyani, Ernita Dwi Dian Eka Ratnawati Diana Purwitasari Djoko Pramono Dwinanda, Ashila Gisara Edmund Pierre Purba, Geoffrey Eris Maghfiroh, Intan Sartika Fadhilah, Irsya Salim Fadhlika, Nidi Amalia Fahrur Rozi Faizatul Amalia, Faizatul Fatmawati, Fatmawati Faturani, Bunga Sauma Firdaus, Raihan Zahran Fitra Abdurrachman Bachtiar Ghani Wijaya, Alfiyanto Hanggara, Buce Trias Hanif, Muhammad Fauzan Hanifah Muslimah Az-Zahra, Hanifah Muslimah Hanun, Putri Nabilah Hariz Farisi Herawati, Serra Nadya Indi Herlambang, Adwaja Dwi Herlando, Muhammad Raafi Heryana, Ana Hikmah Amalia, Dwi Himawat Aryadita, Himawat Husen, Dania Lazuardi Ibrohim, Muhammad Idota, Patrick Jore Ikhsawiyanthi, Anisah Irmawan, Rozy Setia Iskandar, Fahru Setiawan Issa Arwani Jahiro, Almaas Janara Khansa, Elyzia Jannah, Ghina Shofa Raudhatul Jatmiko, Alvindo Tri Juan, Helga Julen, Eiko Farah Diva Khalid Rahman, Khalid Krisnandi, Didik Kurniasari, Salvia Dyah Lubis, Ade Fatmasari Macira Balqis Abdul Gopur, Maersyifaa Maulana, Alif Rizal Mochamad Chandra Saputra, Mochamad Chandra Mubarok, Muhammad Rosyid Mulyadi, Alfansya Achmad Muslichah, Nur Wachidatul Nabawiyyatin, Ala Millatin Nanang Yudi Setiawan Nugraha, Dwi Cahya Astriya Nurul Hidayat Octavia, Sarah Uli Perdanalusuma, Andi Reza Perwira, Muhammad Phadung, Muneeroh Prakoso, Bondan Sapta Pranaliwa, I Putu Ardhika Pryono, Muhammad Adam Purnomo, Welly PUSPITA, ARBALIYAH Putra, Kristantheo Nathaniel Damara Putri, Hana Rizkia Iswana Putri, Rizka Saudah Yunida Putri, Salsabila Tjahya Kusuma Rahmandita, Prasetya Naufal Ramadana, Muhammad Rifqy Ramadhan Al Fauzi, Rafly Ramadhan, Rakhmad Fajar Ramadhani, Aditya Wahyu Retno Indah Rokhmawati, Retno Indah Ro'if, M. Rosady, Annisa Rosanti, Mitha Diah Rosida, Khanif Salim, Pratama Maulidi Ega Salsabila, Syahda Rani Salshabila, Alyssa Salshabila, Alyssa Melani Salwa, Shafa Nathaniela Satriawan, Eka Bayu Satrio Agung Wicaksono Sebayang, Gading Sembiring, Rinawati Septiyan Andika Isanta Setyawan, Romi Fajar Sholihah, Tuffahati Siregar, Rafi Arya Sitepu, Mikha Aziel Christian Sugiharto, Pradiptya Kahvi Suhartanto, Nathalia Clarissa Anggraini SUPRAPTO Suprihono, M. Rezky Revansyah Suryanugraha, Mohamad Ariq Tambing, Nathania Maerella Arungla'bi' Tarihoran, Aditya Nugraha Tri Afirianto, Tri Uun Hariyanti Uun Hariyanti, Uun Waworuntu, Kenneth Clinton Wibisono Sukmo Wardhono, Wibisono Sukmo Wibisono, Jonathan Wicaksono, Abdul Harris Widhiprasetyo, Fadhil Widhy Hayuhardhika Nugraha Putra Yanuar, Athallarifky Yanuardhana, Anugrah Daffa Yufis Azhar Yusi Tyroni Mursityo Zaein, Nabila