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All Journal Journal on Mathematics Education (JME) Journal on Mathematics Education (JME) Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) JSAI (Journal Scientific and Applied Informatics) JUDIMAS (Jurnal Inovasi Pengabdian Kepada Masyarakat) PELS (Procedia of Engineering and Life Science) Jurnal Pengabdian Masyarakat Tekno SISFOTENIKA
Johannes Hamonangan Siregar
Universitas Pembangunan Jaya
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Mathematics Public Health Social Sciences

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LEARNING THE CRITICAL POINTS FOR ADDITION IN MATEMATIKA GASING Siregar, Johannes Hamonangan; Wiyanti, Wiwik; Wakhyuningsih, Nur Safitri; Godjali, Ali
Journal on Mathematics Education Vol 5, No 2 (2014)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (407.82 KB) | DOI: 10.22342/jme.5.2.1500.160-169

Abstract

We propose learning Matematika GASING to help students better understand the addition material. Matematika GASING is a way of learning mathematics in an easy, fun and enjoyable fashion. GASING is short for GAmpang, aSyIk, and menyenaNGkan (Bahasa Indonesia for easy, fun and enjoyable). It was originally developed by Prof. Yohanes Surya at the Surya Institute in Indonesia to improve the mathematics education in Indonesia. In Matematika GASING, there is a step called “the critical point” that needs to be mastered for each topic. The focus of our research is the critical point for addition, that is addition of two numbers between 1 − 10 with a sum less than 20. The subject is a matriculation class at STKIP Surya and the research method used is Classroom Action Research. The statistics obtained is described using Qualitative Descriptive Statistics.Keyword: Matematika GASING, Addition, Critical Points, Classroom Action Research. DOI: http://dx.doi.org/10.22342/jme.5.2.1500.160-169
Training on the Use of Computer Applications in Making Learning Videos (Training for MTs Miftah Assa'adah Teachers) Rufman Iman Akbar; Chaerul Anwar; Johannes Hamonangan Siregar
JUDIMAS Vol 1, No 2 (2020): JUDIMAS
Publisher : STMIK Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30700/jm.v1i2.1072

Abstract

This Community Service activity was carried out because they we the teacher's lack of ability in making their own learning videos. This ability is very much-needed in this pandemic, because students have to do distance learning. Universitas Pembangunan Jaya conducts training for teachers at MTs Miftah Assa'adah School located in South Tangerang area. In distance learning, the use of video media is needed by students. Teacher training is conducted using a combination of online and offline methods. The teachers were also given hand-on training to create, edit and upload the learning videos they made. Training using common applications and can be obtained easily. The applications used are also applications that do not require high computer resources, so they can be done with only standard devices. For example MS Power Point, Canva and Movie Maker, VLC and even Zoom. Of the 10 indicators used as a measure, 8 of them showed an increase of over 50%. The post-test results at the end of the training also showed an improvement in the general abilities of the training participants 
LEARNING THE CRITICAL POINTS FOR ADDITION IN MATEMATIKA GASING Johannes Hamonangan Siregar; Wiwik Wiyanti; Nur Safitri Wakhyuningsih; Ali Godjali
Journal on Mathematics Education Vol 5, No 2 (2014)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.5.2.1500.160-169

Abstract

We propose learning Matematika GASING to help students better understand the addition material. Matematika GASING is a way of learning mathematics in an easy, fun and enjoyable fashion. GASING is short for GAmpang, aSyIk, and menyenaNGkan (Bahasa Indonesia for easy, fun and enjoyable). It was originally developed by Prof. Yohanes Surya at the Surya Institute in Indonesia to improve the mathematics education in Indonesia. In Matematika GASING, there is a step called “the critical point” that needs to be mastered for each topic. The focus of our research is the critical point for addition, that is addition of two numbers between 1 − 10 with a sum less than 20. The subject is a matriculation class at STKIP Surya and the research method used is Classroom Action Research. The statistics obtained is described using Qualitative Descriptive Statistics.Keyword: Matematika GASING, Addition, Critical Points, Classroom Action Research. DOI: http://dx.doi.org/10.22342/jme.5.2.1500.160-169
Pengembangan Infrastruktur Pembelajaran Daring Menggunakan Antena Unidirectional Rufman Akbar; Chaerul Anwar; Johannes Hamonangan Siregar
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 5 No 4 (2021): Agustus 2021
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (495.514 KB) | DOI: 10.29207/resti.v5i4.3219

Abstract

Situation during COVID19 pandemic, requires all schools to conduct online learning. This condition is done to prevent the spread of pandemic. The problem is that the infrastructure is not fully supported. Learning in marginal areas is still constrained by the difficulty of the signal or internet connection. This research was conducted to obtain an infrastructure design that can be used in areas with minimal internet connection, or even no internet network connection. Using R&D, the research begins by designing a network device on the school side – Acces Point, also a tool to expand coverage - repeater. Furthermore, design and testing of signal amplifier antennas that can be used on the client side is carried out. For the client side, several types of amplifier antennas are made that can be used to receive Wifi frequencies. There are three types of antennas that are made and tested, namely Yagi, Yagi Cross, and cantennas. Both are Unidirectional antenna. Connection quality is measured with a Wifi analyzer device to determine network quality. As for mobile phones, it is measured using the Wifi Master Key. The result obtained is a WELAN infrastructure design which is equipped with unidirectional antenna design with a total range of 8 Km.
Pelatihan Pengelolaan Aplikasi Sistem Informasi Bagi Warga Kelurahan Sawah Baru, Tangerang Selatan Johannes Hamonangan Siregar; Chaerul Anwar; Marcello Sangaji
JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) VOL. 3 NOMOR 2 SEPTEMBER 2019 JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (787.453 KB) | DOI: 10.30595/jppm.v3i2.4167

Abstract

Kegiatan ini dilaksanakan berdasarkan adanya faktor kebutuhan warga pengguna internet untuk memperoleh pengetahuan dan keterampilan dalam mengelola aplikasi sistem informasi. Tujuan kegiatan adalah meningkatkan pengetahuan dan memberikan keterampilan pengelolaan aplikasi sistem informasi kepada warga kelurahan Sawah Baru, Tangerang Selatan. Peserta kegiatan ini adalah pemuda yang aktif dalam kepengurusan organisasi yang ada di kelurahan, sebanyak 16 orang. Metode pelaksanaan kegiatan dilakukan dengan mengadakan pelatihan dalam bentuk ceramah yang disertai peragaan pemakaian, praktek, tanya jawab dan diskusi studi kasus. Pelaksanaan kegiatan ini dibantu oleh mahasiswa dari Program Studi Sistem Informasi.  Hasil kegiatan dari aspek pengetahuan diukur dengan pre tes dan pos tes, dari aspek keterampilan diukur dengan pengamatan langsung terhadap peserta dalam mengelola aplikasi melalui tanya jawab lisan, yang didapatkan hasil sebagai berikut. Pertama, peserta mendapat peningkatan pengetahuan yang dibutuhkan untuk dapat mengelola aplikasi. Kedua, peserta memperoleh keterampilan untuk mengelola aplikasi dengan benar. Kegiatan ini juga memberikan dampak baik bagi mahasiswa yang memungkinkan terjadinya kolaborasi dengan peserta dalam memberi solusi untuk kebutuhan warga.
Pelatihan Pembuatan Video Pembelajaran Untuk Guru MTs Di Tangerang Selatan Rufman Akbar; Chaerul Anwar; Johannes Hamonangan Siregar
Jurnal Pengabdian kepada Masyarakat TEKNO (JAM-TEKNO) Vol 1 No 2 (2020): Desember 2020
Publisher : Ikatan Ahli Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This Community Service activity was carried out because of the lack of the teachers' ability to make their own learning videos. The ability to make their own learning videos is needed in this pandemic era, because students have to do distance learning. The training is conducted using a combination of online and offline methods. Participants are given hand-on training to create, edit, and upload the created learning videos. Training using common applications and can be obtained easily. The applications used are also applications that do not require high computer resources, so they can be done with only standard devices. For example; MS Power Point, Canva, and Movie Maker.
Analysis of Regional Competitiveness Index of Banten Province on Human Resources Aspects: Analisis Indeks Daya Saing Daerah Provinsi Banten pada Aspek Sumber Daya Manusia Surya, Shabrina Naras; Nurita, Nurita; Siregar, Johannes Hamonangan; Berliana, Nani Grace
Procedia of Engineering and Life Science Vol. 4 (2023): Proceedings of the 6th Seminar Nasional Sains 2023
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v4i0.1384

Abstract

An important factor influencing the success of regional development, one of which is the human resources (HR) that have a role in increasing the productivity and competitiveness of a region. An analysis of the competitiveness of a region needs to be carried out to identify weaknesses and strengths in human resource aspects that will have an impact on economic performance and people's welfare. This study aims to analyze the Regional Competitiveness Index (IDSD) of Banten Province in terms of human resources using several indicators, including education level, availability of employment, health, and investment environment. The method used is descriptive analysis and regional competitiveness index calculation. The data used in this study were obtained from the National Research and Innovation Agency. The results of the study show that Banten Province has an IDSD value on the health pillar of 3.75. From the health pillar, there are 3 regencies/cities that have a higher IDSD score, namely Tangerang Regency with a score of 3.85, Tangerang City with a score of 4, and South Tangerang City with a score of 4. Meanwhile, the IDSD score on the skills pillar has a score of 3.44. There were only 3 that had a higher IDSD score, namely Tangerang City with a value of 3.86, Cilegon with a value of 3.53, and South Tangerang City with a value of 3.79. Therefore, it is necessary to make efforts to improve the quality of human resources in Banten Province by taking into account the factors that affect competitiveness, including education, availability of fields, employment, health, and the investment environment.
Analisis Malware Archer.exe untuk Identifikasi Potensi Ancaman pada Sistem Operasi Menggunakan Metode Hybrid Analysis Kahfi, Juan Haniful; Siregar, Johannes Hamonangan
JSAI (Journal Scientific and Applied Informatics) Vol 8 No 2 (2025): Juni
Publisher : Fakultas Teknik Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jsai.v8i2.8269

Abstract

Cybersecurity has become a primary concern in the digital era, particularly regarding malware attacks targeting the Windows operating system. This study aims to analyze a Remote Access Trojan (RAT)-type malware named archer.exe, obtained from the Any.run platform. The method used is hybrid analysis, a combination of static analysis and dynamic analysis, to provide a comprehensive understanding of the malware's structure and behavior. Static analysis results show that archer.exe is a Portable Executable (PE) file with a size of 829.35 KB and employs packing techniques to conceal its payload. Meanwhile, dynamic analysis reveals that the malware modifies system registry keys, spawns child processes such as rundll32.exe and cmd.exe, and establishes a network connection to a Command and Control (C2) server at IP address 192.169.69.26 via the domain dominoduck2101.duckdns.org. These findings indicate that archer.exe poses a high risk of remote system access, data theft, and malicious background activity without user awareness. This study demonstrates that the hybrid analysis method is effective in identifying hidden threats and malicious behavior of RAT-type malware on Windows 10 systems.
Disain UX Aplikasi Merdeka Belajar – Kampus Merdeka menggunakan Disain Sprint Google Akbar, Rufman Iman; Siregar, Johannes Hamonangan; Anwar, Chaerul
SISFOTENIKA Vol. 14 No. 1 (2024): SISFOTENIKA
Publisher : STMIK PONTIANAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30700/sisfotenika.v14i1.418

Abstract

Students must have a solid understanding of the Independent Learning-Independent Campus Policy, which was introduced by the Ministry of Education, Culture, Research, and Technology in 2020. Students are unwilling to participate in programmes due to a lack of knowledge and false information about it, so an information system is needed to prepare and handle these programmes. The goal of this study is to create an UX design for information system that will enable students in understanding programme policies and participating in programme activities. The technique of this study focuses on creating UX design that satisfy the policy's requirements while taking into account the needs of students. Students from Universitas Pembangunan Jaya's Department of Information Systems make up the data population. Google Sprint Design is the UX design methodology employed in this study. The six phases of the Google Sprint design process are Understand, Define, Sketch, Decide, Prototype, and Validate. The application development team uses the UX design outcomes after they have been demonstrated to be effective. It has been demonstrated in this study that design outcomes can take system stakeholders' needs into account.
Co-Authors Ali Godjali Ali Godjali, Ali Chaerul Anwar Chaerul Anwar Kahfi, Juan Haniful Marcello Sangaji Nani Grace Berliana Nur Safitri Wakhyuningsih Nur Safitri Wakhyuningsih, Nur Safitri Nurita, Nurita Rufman Iman Akbar E Surya, Shabrina Naras Wiwik Wiyanti Wiwik Wiyanti, Wiwik