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All Journal KURVA S JURNAL MAHASISWA JURNAL MEDIA INFORMATIKA BUDIDARMA J-SAKTI (Jurnal Sains Komputer dan Informatika) KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) The IJICS (International Journal of Informatics and Computer Science) JURIKOM (Jurnal Riset Komputer) Building of Informatics, Technology and Science JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Journal of Computer System and Informatics (JoSYC) Journal of Architectural Research and Education Jurnal Sistem Komputer dan Informatika (JSON) TIN: TERAPAN INFORMATIKA NUSANTARA JPM: JURNAL PENGABDIAN MASYARAKAT Journal of Social Responsibility Projects by Higher Education Forum J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal ABDIMAS Budi Darma Bulletin of Data Science Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) PEMA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat Jurnal Pengabdian Masyarakat Inovasi Journal of Computing and Informatics Research Journal of Informatics, Electrical and Electronics Engineering JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Journal Global Technology Computer Jurnal Ilmu Komputer, Teknologi Dan Informasi Jurnal Teknik AMATA Journal of Decision Support System Research

Muhammad Syahrizal

Universitas Budi Darma, Medan

Author-ID : 3336271

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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PEMANFAATAN APLIKASI GOOGLE MEET UNTUK MEDIA PEMBELAJARAN DIMASA PANDEMI COVID-19 PADA SMP IT AL-MUNADI Soeb Aripin; Lince Tomoria Sianturi; Muhammad Syahrizal
Jurnal ABDIMAS Budi Darma Vol 2, No 1 (2021): Agustus 2021
Publisher : STMIK Budi Darma

Di masa pandemi corona virus disease 2019 (COVID-19) menjaga jarak fisik satu sama lain (physical distancing) dan tetap berada didalam rumah (stay at home) merupakan cara untuk memutus tali rantai penyebaran COVID-19. Di seluruh dunia Puluhan Juta orang telah meninggalkan kantor menyusul instruksi pemerintah agar karyawan bekerja dari rumah. Hal ini juga berlaku didunia pendidikan dikarenakan para peserta didik menghabiskan waktu belajar mereka di sekolah-sekolah dan kampus dimana didalam ruang bersama dan interaksi tinggi dapat menyebarkan virus apapun yang mereka miliki termasuk virus COVID-19 (jika ditemukan orang positip COVID-19) kepada kolega mereka. Belajar dari rumah adalah suatu pilihan di era pandemi COVID-19. Belajar dari rumah telah mengubah sistem belajar yaitu melakukan proses belajar mengajar melalui daring (online). Sistem daring (online) dilakukan untuk mengimplementasikan protocol pencegahan COVID-19 yang dikeluarkan oleh pemerintah. Pengunaan google meet merupakan salah satu fitur dari google yang bisa dimanfaatkan untuk belajar dari rumah saat social distancing untuk mencegah penyebaran virus COVID-19. Google meet memungkinkan pengguna untuk melakukan panggilan video dengan banyak pengguna lainnya per pertemuan. Dengan kata lain, google meet bisa menjadi media alternatif untuk proses belajar mengajar, bersosialisasi dengan rekan kantor atau bahkan melakukan rapat kerja dari dalam rumah (work from home).COVID 19, Phyical distancing, Stay at home, Daring, Online, Google meet

Manajemen Absensi Kehadiran Siswa/I Dengan Memanfaatkan Aplikasi Google Form Pada SMKS Prayatna 1 Medan Ronda Deli Sianturi; Lince Tomoria Sianturi; Muhammad Syahrizal
Jurnal ABDIMAS Budi Darma Vol 2, No 1 (2021): Agustus 2021
Publisher : STMIK Budi Darma

Pada awal Maret 2020, istilah bekerja dari rumah dan belajar dari rumah seakan menjadi topik utama di semua penberitaan di Indonesia. Hal ini terkait himbauan Presiden Republik Indonesia, Joko Widodo untuk melakukan social distancing atas penyebaran virus Corona (Covid19) yang oleh WHO sudah ditetapkan menjadi Pandemi. Absensi online menjadi sebuah keniscayaan yang mutlak sejak pandemi COVID-19 melanda dunia. Siswa, mahasiswa, PNS, karyawan perusahaan, dan selainnya, terpaksa belajar dan atau bekerja dari rumah. Istilah asing yang populer, sering kita dengar adalah work from home (WFH). Kehadiran yang biasanya dengan tanda tangan atau sidik jari menjadi sulit dilakukan, sebagai gantinya dibuatlah daftar hadir daring. Sekolah SMKS Prayatna 1 Medan merupakan salah satu sekolah yang metode absensinya masih mengunakan WhatsApp (WA) dimana didalam peroses absensi siswa harus memberikan informasi kepada guru dengan cara share location kepada gurunya dan ada juga sebahagian guru yang meminta untuk video call agar memastikan peserta didiknya benar-benar ikut dalam proses pembelajaran, maka diperlukan pelatihan-pelatihan dan workshop bagaimana agar para guru dapat menguasai teknologi didalam pembelajaran dan membuat absensi sehingga proses absensi bisa lebih efektif bagi siswa-siswanya.Pada awal Maret 2020, istilah bekerja dari rumah dan belajar dari rumah seakan menjadi topik utama di semua penberitaan di Indonesia. Hal ini terkait himbauan Presiden Republik Indonesia, Joko Widodo untuk melakukan social distancing atas penyebaran virus Corona (Covid19) yang oleh WHO sudah ditetapkan menjadi Pandemi. Absensi online menjadi sebuah keniscayaan yang mutlak sejak pandemi COVID-19 melanda dunia. Siswa, mahasiswa, PNS, karyawan perusahaan, dan selainnya, terpaksa belajar dan atau bekerja dari rumah. Istilah asing yang populer, sering kita dengar adalah work from home (WFH). Kehadiran yang biasanya dengan tanda tangan atau sidik jari menjadi sulit dilakukan, sebagai gantinya dibuatlah daftar hadir daring. Sekolah SMKS Prayatna 1 Medan merupakan salah satu sekolah yang metode absensinya masih mengunakan WhatsApp (WA) dimana didalam peroses absensi siswa harus memberikan informasi kepada guru dengan cara share location kepada gurunya dan ada juga sebahagian guru yang meminta untuk video call agar memastikan peserta didiknya benar-benar ikut dalam proses pembelajaran, maka diperlukan pelatihan-pelatihan dan workshop bagaimana agar para guru dapat menguasai teknologi didalam pembelajaran dan membuat absensi sehingga proses absensi bisa lebih efektif bagi siswa-siswanya.

Pengaman File Video Menggunakan Algoritma Merkle Hellman Knapsack Soeb Aripin; Muhammad Syahrizal
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 4, No 2 (2020): April 2020
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/mib.v4i2.2039

The issue of security and confidentiality is one important aspect of a message, data or information. In this case it is closely related to how important the message, data, or information is sent and received by parties or people concerned, whether the message, data, or information is still authenticity. At present there are many conveniences in downloading and uploading videos that make videos vulnerable to hijacking, especially if the video is an important and highly confidential video, so an application that is able to encode this important video is needed so that its security can be protected from unauthorized people, except for people who are entitled to. The security technique used by the author in this study uses cryptographic technology. To be able to do well, we need an algorithm for encryption and decryption. The algorithm used here is the Merkle Hellman Algorithm. This Algortman can be used on a video file is something that needs to be considered in maintaining the confidentiality of the data itself, especially if the video file can only be known by certain parties. There are many ways of approach taken to realize the confidentiality of the data starting from security or protection. physical to the form of a mathematical-based algorithm that makes the data illegible. So that the data in it cannot be easily known by unauthorized parties and only the intended video file recipient is able to decipher the video file

Penerapan Metode Dempster Shafer Dalam Mendiagnosa Penyakit Tumor Hipofisis Roberto Valentinus Manurung; Muhammad Syahrizal; Murdani Murdani
Building of Informatics, Technology and Science (BITS) Vol 3 No 2 (2021): September 2021
Publisher : Forum Kerjasama Pendidikan Tinggi

Pituitary tumors are relatively common intracellular neoplasms, and constitute 10-15% of all intracial neoplasms. These types of tumors often have difficulties and not infrequent recurrence, even though surgery has been done. Although there have been many studies on pituitary tumors, the pathogenesis of the occurrence of these tumors is not entirely clear. It is generally considered that pituitary neoplasms are primary pituitary tumors. Biomolecular electrons show that pituitary tumors, both functional and non-functional, originate from the growth of one clone (monoclonal). The Dempster-Shafer method is used to look for inconsistencies in effects and also new facts that will change existing attitudes, using the Dempster-Shafer method that allows a person to be safe in the work of an expert. This study aims to apply the Dempster-Shafer method to expert systems to diagnose the risk level of a person's pituitary tumor based on factors and symptoms of a pituitary tumor. The problem experienced by the community is the difficulty of specialist pituitary tumors due to the limited time of specialists to work, besides that in terms of very expensive costs for them or those whose economies cannot diagnose or consult with tumor specialists.

Pelatihan Pembuatan Media Pembelajaran Interaktif dengan Power Point di MIS Al Hidayah Muhammad Syahrizal; Soeb Aripin; Khairunnisa Khairunnisa; Dwina Pri Indini
Journal of Social Responsibility Projects by Higher Education Forum Vol 2 No 3 (2022): Maret 2022
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

The use of learning media is needed by teachers in the teaching process, one of which is easy to use, namely Microsoft Power Point. Power Point software can be used to present learning materials to students to assist teachers in delivering material that is more interesting and easy to understand. Currently, most of Al-Hidayah's MIS teachers do not understand Power Point, so they only use conventional learning media. With the service activities at MIS Al-Hidayah with the theme of using interactive learning media with power points in the new normal era, it is hoped that it can become useful knowledge for teachers to be more creative and innovative in making learning media facilities for the teaching process

IMPLEMENTASI ALGORITMA APRIORI TID UNTUK MENGETAHUI POLA PENJUALAN KERAMIK Anri Muda Siregar; Muhammad Syahrizal
KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Vol 3, No 1 (2019): Smart Device, Mobile Computing, and Big Data Analysis
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/komik.v3i1.1572

At PT. JUI SHIN INDONESIA Medan Deli is checking the sales of ceramics once a year. The amount of ceramics needed at PT. JUI SHIN INDONESIA Medan Deli is so big. The lack of good sales interactions has resulted in ceramics sales and the quality of service to the council going down. This research expects to analyze the general operating picture, ceramic sales of PT. JUI SHIN INDONESIA Medan Deli. The problem often faced is that goods are not neatly arranged and cannot be utilized for system development and are only used as archives at PT. JUI SHIN INDONESIA Medan Deli. To find out the pattern of ceramics sales, ceramics sales have so far been ineffective because the data stored in Microsoft Excel is still not good so it requires a long time if at any time the warehouse of PT. JUI SHIN INDONESIA Medan Deli and other company administrations do data checking. For that we need a system that can facilitate the warehouse in analyzing the sales data of ceramics. This algorithm is one part of association rule mining. This method aims to obtain the rules of association or relations between groups of items. by using the Tanagra tool application method for testing data on ceramic sales transactions.Keywords: To Know the Pattern of Ceramic Sales Using the Aryri TID Algorithm

Penerapan Algoritma Start-Step-Stop Code Pada Kompresi File Audio Berry Richard Ornos Sinambela; Muhammad Syahrizal; Kristian Siregar
KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Vol 4, No 1 (2020): The Liberty of Thinking and Innovation
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/komik.v4i1.2720

The size of the audio data file has become something of great concern in the digital age. Problems that arise due to the large size of data include the wasteful storage media used, as well as more time in terms of data exchange, data transfer over the internet network is a big problem in Indonesia because download and upload speeds are very low. The concept of compression was born as a real solution to the problem of the amount of space needed to store WAV format audio. To solve the existing problem of the large audio files obtained in the WAV format, a compression technique is needed with the aim of reducing the size of the WAV format audio file. By compressing the audio file, it is hoped that it can save from the hard disk. Through the compression process of WAV audio files using the Start-Step-Stop Code algorithm, it is hoped that in the future this compression system can have a major effect on WAV format audio storage and can better protect storage space and it is also hoped that this algorithm can be used from other objects to be compressed.Keywords: Digital Audio, WAV, Compression, Start-Step-Stop Code

Modifikasi Kunci Algoritma International Data Encryption Algorithm Menggunakan Multiplicative Random Number Generator Untuk Mengamankan Citra Digital Oktavian Laksamana Suryo; Muhammad Syahrizal; Alwin Fau
KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Vol 4, No 1 (2020): The Liberty of Thinking and Innovation
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/komik.v4i1.2715

A Digital Image may have important information in it where this confidential information should not be seen by unauthorized people. Information in a digital image can be easily remembered by others compared to information in the form of text. For this reason, images containing information must be encrypted using cryptography, but encoding the image is of course not enough to protect the information contained in it because the key may be known by outsiders.To maintain the confidentiality of information from digital images, digital images will be encoded using the IDEA algorithm, but the level of security of the algorithm should be improved. Therefore, to improve the quality of digital image security, the IDEA algorithm key is first modified using a Multiplicative Random Number Generator.Through the IDEA algorithm process which is quite complicated, coupled with the previously modified key using the Multiplicative Random Number Generator, it is hoped that it can improve the quality of the security of confidential information encoded in a digital image, so that the information contained in the digital image does not leak to it. irresponsible party.Keywords: Digital Image, Modification, Cryptography, IDEA, Multiplicative Random Number Generator.

SISTEM PENDUKUNG KEPUTUSAN REKOMENDASI CALON KEPALA PUSKESMAS MENGUNAKAN METODE MULTI ATTRIBUTE UTILITY THEORY (MAUT) (STUDI KASUS: PUSKESMAS DESA LAMA SEI LEPAN) Jamillah Nasution; Muhammad Syahrizal
KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Vol 3, No 1 (2019): Smart Device, Mobile Computing, and Big Data Analysis
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/komik.v3i1.1586

Desa Lama Health Center is a community health service center for first aid for local communities who want to seek treatment or consult about their health, which serves all public health problems in the fields of childbirth, treatment, outpatient care, hospitalization, baby posyandu and so forth. Decision Supporter. The problems faced by the Old Village Health Center are still using manual methods, especially in determining the recommendation of candidates for Head of the Health Center. On this occasion the authors propose to make decisions for the selection of candidates for the head of the puskesmas using Microsoft Visual Studio 2008. From the results of prospective head centers using the Decision Support System by using the multi attribute utility theory(MAUT) method to facilitate employed in datermining the best decisions in Puskesmas Desa Lama Sei Lepan.Keywords: SPK Recommendation of Candidate Head of Puskesmas, MAUT

Modifikasi Kunci Algoritma IDEA Menggunakan Random Key Midsquare Pada Citra Fuady Mahbub; Muhammad Syahrizal; Rivalri K. Hondro
KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Vol 4, No 1 (2020): The Liberty of Thinking and Innovation
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/komik.v4i1.2681

A Digital Image may have important information in it where this confidential information should not be seen by unauthorized people. Information in a digital image can be easily remembered by others compared to information in the form of text. For this reason, an image containing information must be encrypted using cryptography, but encoding the image is of course not enough to protect the information contained in it because of the key that may be known by outsiders. To maintain the confidentiality of the information from the image, previously the image will be encoded using the IDEA algorithm, however, the security level of the algorithm should be further improved. Therefore, to improve the quality of digital image security, the IDEA algorithm key is first modified using a Midsquare random number generator. Through the process of the IDEA algorithm which is quite complicated, coupled with the previously modified keys using the Random Key Midsquare random number generator, it is expected to be able to improve the security quality of confidential information encoded in a digital image, so that the information contained in the digital image does not leak to parties. who are not responsible.Keywords: Image, Cryptography, IDEA, Random Key Midsquare

Co-Authors Abdul Karim Ade Septi Rezeki Anggreani Binjori Advent Halawa Afri Nirmalasari Halawa Agung Dermawan Agus Minta Riang Zega Aida Sopia Aisyah, Sity Akbar, Aswin Akmal, Oktafiana Alwin Fau Amanda Pratama Amanudin Harahap Ananda, Rizky Anggia Arif Anri Muda Siregar Antonius Antonius Ardian Fadly Telaumbanua Ari Gunawan Rambe Armansyah Ritonga Asma Asma Berry Richard Ornos Sinambela Buang, Nursahar Cahyo, Robi Dwi Daulay, Nelly Khairani Dermawan, Agung Devi Purnama Sari Didi Prawira Suprayogi Dito Putro Utomo Dona Roni Tambunan Dwina Pri Indini Dwina Priindini Ebenezer Bangun Efidoren L Nainggolan Eka Gustina Bancin Ekawati, Yuni Andri Endhika Endhika Enzel Febrianti Telaumbanua Fadillah, Rizkah Fadlina Fince Tinus Waruwu Fitri Handayani Lubis Fuady Mahbub Garuda Ginting Halawa, Advent Hanif, Faizira Nur Hapipuddin Hapipuddin Haryati Haryati Hasanah, Nurul Riska Helfrida Hotmaria Sihite Hetty Rohayani Hotni Rotua Br Hutapea Hutabarat, Sumiaty Adelina Ida Mayanju Pandiangan Ilhamsyah Ilhamsyah Imam Saputra Intan Maharani Iwan Setia Budi Jamillah Nasution Jaya, Andi Eka Putra Karto Wijaya Karto Wijaya, Karto Kennedi Tampubolon Kevin Yanto Sarumaha Khairun Nisa Ulfa Khairunnisa Khairunnisa Kristian Siregar Kurnia Ulfa Lince Tomoria Sianturi Liza Handayani Lumban, Romayani Malango, Monika Stefani Manik, Lastri Mardin, Mardin Marta Zega Masriani . Matondang, Hasiholan Maulidza, Dwi Maya Sari Mei Warni Zendrato Mesran, Mesran Miya Putri Daulay Muammar Muammar, Muammar Muhammad Fajar Rizky Muhammad Rezki Wasallam Muhammad Sayuthi Murdani Murdani Murdani Murdani Murdani Murdani Murdani, Murdani Nelly Astuti Hasibuan Ngajudin Nugroho Nola Dita Puspa NS, Eka Widya Nugroho, Very Sapto Nurainun Hasanah Sinaga Nurlela Nurlela Nurlinda, Andika Oktavian Laksamana Suryo Ongah, Harun Pagan, Darmandra Mirza Pradana, Ari Purba, Rohan Kristini Purnama Sari, Dian Putri Ramadhani Rahayul Kahfi Rakhmaji, Iqbal Rangkuti, Fiqri Hidayat Renta Gracia Tampubolon Ridha Ismadiah Rika Irwanti Ritonga, Devi Rivalri K. Hondro Rivalri Kristianto Hondro Rizka Rahayu Pasaribu Rizky Maulana Pribadi, Rizky Maulana Roberto Valentinus Manurung Robiah Al-Adawiyah Rombekila, Aryani Ronda Deli Sianturi Sabrina, Elisa Saidi Ramadan Siregar Samsuri, Syahrul Sarwandi Wandi Septa Fenly Sinaga shara, yuni Siagian, Edward Robinson Simangunsong, Santi Sinurat, Sinar Siregar, Anggi Jaya Maulana Sitorus, Jepri Saprianto Situmorang, Dharma Bakti Soeb Aripin Suha Alvita Supiya Supiya Surya Darma Nasution Teresia Teti Ernawati Ndruru Tesa Aurelia Siregar Thesa Noveninta Ginting Ulfa, Kurnia Vina Winda Sari Wardi, Syah Yuanda, Richa Yuni Shara

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