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All Journal Jurnal Media Infotama AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian TRANSISTOR Elektro dan Informatika Prosiding Seminar Nasional Darmajaya Jurnal Teknik Informatika UNIKA Santo Thomas JOURNAL OF SCIENCE AND SOCIAL RESEARCH Abdihaz: Jurnal Ilmiah Pengabdian pada Masyarakat Budimas : Jurnal Pengabdian Masyarakat JUKI : Jurnal Komputer dan Informatika MEANS (Media Informasi Analisa dan Sistem) Jurnal Komputer, Informasi dan Teknologi Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Jurnal PADAMU NEGERI (Pengabdian pada Masyarakat Bidang Eksakta) Jurnal Dehasen Untuk Negeri Jurnal Media Computer Science JAPI: Jurnal Akses Pengabdian Indonesia SATIN - Sains dan Teknologi Informasi Jurnal Semarak Mengabdi Jurnal Kewirausahaan dan Bisnis Jurnal Komputer
Jusuf Wahyudi
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Public Health Social Sciences Transportation Other

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Journal : Jurnal Media Computer Science

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Expert System in Helping Students Diagnose Car Engine Damage Using the Expert System Development Life Cycle (ESDLC) Method Erwansyah, Riska; Wahyudi, Jusuf; Prahasti, Prahasti
Jurnal Media Computer Science Vol 2 No 1 (2023): Januari
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v2i1.3347

Abstract

At school, especially in Automotive Vocational High Schools, a learning process is carried out by helping students to recognize and overcome problems that occur in motorbike/car damage. One of the SMKs that has an Automotive expertise program is SMK Negeri 2 Bengkulu City. So far, the automotive learning system has used books and pictures to support the learning process at school. However, this sometimes has problems, where students do not fully understand the material given, and on the other hand students have difficulty learning independently either in the school environment or at home. Expert systems in helping students diagnose car engine damage using the Expert System Development Life Cycle (ESDLC) method can be accessed online with internet access via the web link http://riska.vad.my.id. This expert system application is made using the PHP programming language and MySQL database. This expert system application has been embedded with the ESDLC method with the Forward Chaining inference engine which is used to trace damage to car engines based on the symptoms experienced by the car engine. This expert system application can help facilitate the understanding of students at SMK Negeri 2 Bengkulu City in diagnosing car engine damage, by providing consultation directions starting from entering symptoms to getting consultation results. Based on the system testing that has been done, it can be concluded that the functionality of the application has been running well and this expert system can provide consultation results based on the symptoms selected by the user through the stages of the Expert System Development Life Cycle (ESDLC) method.
Comparison of the DES Cryptographic Algorithm and the AES Algorithm in Securing Document Files Suwarni, Meli; Wahyudi, Jusuf; Khairil, Khairil
Jurnal Media Computer Science Vol 2 No 1 (2023): Januari
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v2i1.3348

Abstract

The document file security application at the Bengkulu City Education Office was made using the Visual Basic .Net programming language. In this application, 2 cryptographic algorithms have been implemented that can be used to secure document files, especially the employee payroll list file, namely the DES algorithm and the AES algorithm. In addition, this application has also embedded a process to analyze the comparison of the DES and AES algorithms, so that it can be known which algorithm is better to use. The comparison aspect consists of 2 aspects, namely processing time and file size after processing. Based on the tests that have been carried out, it can be concluded that the document file security application at the Bengkulu City Education Office is capable of carrying out the process of encrypting and decrypting document files and the functionality of the application has run as expected. From the test data that has been carried out by the encryption and decryption process, the results obtained based on the encryption processing time show that the AES algorithm is faster than the DES algorithm, based on the decryption processing time it is found that the AES algorithm is faster than the DES algorithm, based on the file size after the encryption process it is found that the DES algorithm and the AES algorithm have the same file size, based on the file size after the decryption process it is found that the DES algorithm and the AES algorithm have the same file size
Co-Authors Adriyani Prawitasari Afrio Royzen Aji Sudarsono Aji Sudarsono Alani , Gina Dwi Alparisa, Egen Tri Andayani Andayani Andre Gustiawan Andre Pranata Andriyani Prawitasari Andwini Prasetya Ariantara, Yudi Aris Syafrando Ariska, Yesi Indian Arius Satoni Kurniawansyah Arliando , Yode Azuwandri, Azuwandri Benni Candra Berlian Berlian Desi Mahdalena Desy Maryani, Desy Devi Sartika Devina Ninosari Dewi Suranti Diah Selviani, Diah Efendi, Yanto Eko Prasetiyo Rohmawan Eko Prasetyo Rohmawan Eko Suryana Eko Suryana Elfianty , Lena Erwansyah, Riska Eva Ramalia Sari Evi Andriani Evi Lorita, Evi Feri Hari Utami, Feri Hari Feri Saputra Fido Rama Nugraha Fredricka, Jhoanne Fredricka, Jhoanne Ganda, Orlando Bona Gunawan, Sukro Adi Hamzah, Alfanisah Ramita Herlina - Hermawansyah Hermawansyah Hesti Nur'aini Hesti Nur’aini Ida Anggriani Ila Yati Beti Imma Rachayu, Imma Iswidana Utama Putra Iwan Junaidi Jhoanne Fredricka Juju Jumadi Juju Jumadi Juju Jumadi Julita, Rina Jumadi , Juju Junaidi, Iwan Kara, Radja Bagas Khairil Khairil Khairil Khairil Kiki Nadia Kurniawansyah , Arius Satoni Kurniawansyah, Arius Satoni Lena Elfianty Lina Widawati Luhtfiah, Izza Lutfhia , Izza Martianti Maryani , Desy Maryaningsih, Maryaningsih Meizoni, Putra Melisa Elistri Nia Ade DO Nirta Vera Yustanti Nofi Qurniati Nugraha, Fido Rama Nugroho Ponco Riyanto Orlando Bona Ganda Pertan Sagala, Deddy Prahasti, Prahasti Rachayu , Imma Randita, Fenti Reno Supardi Ricky Zulfiandry Riki Ternando Rizka Tri Alinse Rohmawan , Eko Prasetiyo Romzi - Ronaldo Praja Saputra Roni Herdian Saputra Rosdiana Rosdiana Rossa, Helvi Ramadhanti Sanjaya, Ahdi Santi Weliana sapri sapri Saputra, Ronaldo Praja Sartika, Devi Satrio, Redi Setiawan, Gana Wahyu Siska Apriyani Apriyani Siti Sundari Sudarsono , Aji Supardi, Reno Suranti , Dewi Suwarni Suwarni Suwarni Suwarni Suwarni, Meli Ternando, Riki Trianggono, Muhamad Ibnu Wahyu Al Amar Widodo Widodo Wijaya, Beni Dera Wizura, Kelvin Ade Yode Arliando Yossie Yumiati Yulistika Handini yupianti yupianti Zulfiandry, Ricky