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INDONESIA
ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA
Published by Universitas Islam Negeri Sumatera Utara
ISSN : -     EISSN : 25986341     DOI : 10.30829/algoritma
Core Subject : Science,
Computer Science & IT
Arjuna Subject : -
Articles 161 Documents
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Implementasi Kriptografi Hybrida Algoritma RSA dan Vernam Cipher Dalam Pengamanan File Text Hori Andara; Fera Damayanti; Khairunnisa Khairunnisa
ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA Vol 6, No 1 (2022): April 2022
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i1.11572

Abstract

Nowadays, The development of the times is in line with the development of computer technology, which means that the storage and delivery of electronic documents is also increasing rapidly. Text files as a form of representation of electronic documents, namely all electronic information created and stored in digital form. The issue of information security in text files is a very crucial issue to be discussed. Especially if the text file sent has important and confidential information. If ignored, the information can be changed or used by irresponsible parties. Therefore, we need a technique or method to maintain the confidentiality of information known as cryptography. Cryptography has two key types, namely symmetric and asymmetric. In this study, the authors combine symmetric and asymmetric keys. The symmetric key has one key, while the asymmetric key has two keys, namely the public key and the private key. Symmetric keys are used to secure text files, while asymmetric keys are used to secure symmetric keys, a process known as hybrid cryptosystem. One of the symmetric algorithms is Vernam Cipher, while the RSA algorithm is one of the asymmetric algorithms. Secured text files are those with the *.txt file format. The results of the system testing in this study show that the time required for text file encryption is directly proportional to the character length of the text file. This means that the longer the text file used, the longer it will take to encrypt and decrypt the text file. Keywords: Cryptopraphy, Hybrid Cryptosystem, Vernam Cipher, RSA
Sistem Pendukung Keputusan Metode Electree Dalam Pemilihan Dosen Terbaik Pembelajaran Pada Fakultas Teknik Dan komputer Yunita Sari Siregar; Herlina Harahap; Boni Oktaviana Sembiring; Nenna Irsa Syahputri; Divi Handoko
ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA Vol 6, No 1 (2022): April 2022
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i1.12656

Abstract

Lecturers are professional educators who have a role to develop, transform and disseminate knowledge in higher education. At the Faculty of Engineering and Computers, the process of selecting the best lecturers in learning for students in the class will be carried out with the assessment criteria being discipline, material, attitudes and learning techniques. The method used is a decision support system, the Electre method. Electree is a method that produces a ranking in which several steps are performed, namely normalizing the decision matrix, weighting the matrix, determining the concordance and discordance set, calculating the concordance and discordance matrices, determining the dominant matrix, determining the aggregate dominant matrix and alternative elimination. Based on the results of tests that have been carried out using the electree method, the 10 best lecturers' test data resulted in an accuracy value of 60% and the 3 highest ranking scores for lecturer 7, lecturer 5 and lecturer 1. Keywords:   Decision Support System, Electre, Lecturer, Learning, Faculty of Engineering and  Computers
Analisis Pendukung Keputusan Dalam Menentukan Pemberian THR Kepada Pensiunan Menggunakan Metode Moora di Kantor Dana Pensiun Perkebunan (Studi Kasus: Dana Pensiun Perkebunan (Dapenbun) Rahmi, Fadilla Aulia; Sembiring, Boni Oktaviana; Lubis, Ihsan
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13941

Abstract

The Plantation Pension Fund is a pension fund that manages the defined benefit pension plan (PPMP) for employees of PT. Perkebunan Nusantara, besides that DAPENBUN also provides holiday allowances to retirees in accordance with the regulations set by the company. The purpose of this study is to provide good decisions, provide clear assessments and calculations with criteria that are in accordance with the eligibility to be selected. The method used in this research is the Multi-Objective Optimization On The Basic Ratio (MOORA) method using Hypertext Multi Language (HTML), Hypertext Processor (PHP). In this study, it can be seen that the highest optimization value is (A3) with Yi(max) = (0.381023) with a total THR of Rp. 3,814,406.08 then followed by (A4) which has Yi(max) = 0.303950 with a total THR of Rp. 3,040,792.46 ,(A2) with a value of Yi(Max) = (0.238024) with a total THR of Rp. 2,380,330.24, (A1) with a value of Yi(mx) = (0.227268) with a total THR of Rp. 2,275.423.68 and the smallest (A5) with a value of Yi(Max) = (0.162676) with a total THR of Rp 1,627,251.58. Keywords: holiday allowance, decision support system, MOORA, PHP, HTML, MYSQL.
Analisis Pencarian Lokasi Ekspansi Pembukaan Cabang Trust Vape Store Guna Membangun Citra Brand Menggunakan Sistem Pendukung Keputusan Dengan Perbandingan Metode WASPAS dan MAUT Ardiansah, Ardiansah; Suriati, Suriati; Liza, Rizko
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13721

Abstract

Vape or also called electric cigarette is very much in demand at this time because apart from a minimal budget and environmentally friendly, this vape itself has several things that make many people switch from tobacco cigarettes to electric cigarettes or vaping. This vape or e-cigarette makes tears Vape stores want to open branches in several places to build a brand image. On the basis of these problems, by selecting the scientific field of decision support systems by adopting the WASPAS and MAUT methods for the selection of the Trust Vape Store branch, this is able to solve the problem with the criteria in accordance with the qualification standards of the Trust Vape Store. The final result of this research is the creation of a decision support system application that adopts the waspas and death method that is able to answer the problems that exist in the turst vape store to make decisions in selecting the location for the expansion of the torch store branch opening in order to build a brand image using a decision support system with the waspas method. and death. Keywords: Trust Vape Store,Decision Support System,Vape 
Sistem Pendukung Keputusan Pemilihan Rumah Terbaik Di Daerah Medan Johor Menggunakan Metode SMART Nasution, Fajriansyah Maulana; Suriati, Suriati; Syahputri, Nenna Irsa
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13774

Abstract

House is one of the most basic human needs where house is a place for shelter and ongoing activities as well as an investment. Selection of houses needs to be done in order to get the best alternative houses that match the criteria of prospective buyers, selection of houses based on many aspects such as price, land area, house space, public services, environment, location, road access, facilities and other aspects. Therefore, in this study, a web-based decision support system application was built to decide the best house based on decided aspects. The decision support system was built using the SMART (Simple Multi Attribute Rating Technique) method. This method has a working method based on the theory that each alternative consists of several criteria that contain a number of sub-criteria that have a value and each criterion has a weight to describe how important its value is compared to other criteria. The results obtained in this study are the obtaining of the best house alternative based on the criteria and weight values that have been determined by the user using a decision support system that has been built. Keywords: House, Decision Support System, SMART, Web, Criteria
Rancang Bangun Topologi Mesh Menggunakan Routing OSPF Pada Kantor Pekerjaan Umum Dan Tata Ruang Kota Gunung Sitoli Zalukhu, Dedy Rahmat; Suriati, Suriati; Liza, Risko
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13632

Abstract

Internet technology is a technology that is currently widely used by humans to communicate and send various data over long distances quickly. In the process of sending data and communication on internet technology can not be separated from the path used, the shorter the path used, the faster the data sent, so communication will be easy. A computer network is a collection of a number of devices in the form of computers, hubs, switches, routers and other network devices that are connected to each other using certain communication media. The author designed the PUTR office in Gunungsitoli City to assist the process of work, especially on the network so that every job runs well without any disturbance. In designing this mesh topology the author uses OSPF routing where the results of the test can help in facilitating work that is directly connected to each other.Keywords: Cisco Packet Tracer, Mesh Topology, OSPF Routing
Analisa Perbandingan Keefektipan Waktu Proses Perhitungan Metode SAW dan WP Dalam Menentukan Siswa Berprestasi Wulan, Nur; Dafitri, Haida; Sihombing, Ermayani
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13725

Abstract

Achievement students are the achievements of every student in school, stand out among other students and sent to take part in the competitions with the name of the school becoming a student pride. The process of achieving achievements that still uses a manual system that actually less effective in student achievement. Therefore, the author designed decision support system comparative analysis between the two methods Simple Additive Weighting (SAW) and Weight Product (WP) with criteria that have been determined criteria. These two methods are compared to find out which method is more effective in the calculation process which is expected to help in determining students achievers.Keywords: SPK; SAW; WP; Achievement; School
Perancangan Aplikasi Repository Skripsi Berbasis Web Triwardana, Ravly; Faisal, Ilham; Lubis, Imran
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13775

Abstract

Repository is a place to accommodate a collection of scientific works, including a final project or thesis, currently a repository is needed by the academic community of a university, the repository is also known as a digital library. The purpose of designing this application is to make it easier for students to find references to scientific works that have been completed by alumni into a web-based thesis repository application. The application design process is carried out using the PHP programming language and mysql database. The results of this study are in the form of a web-based thesis repository application design that can be accessed by all students on any type of device very easily, anytime and anywhere through a browser connected to the internet network. By designing this application, it is hoped that it can prevent data loss, damage, and is useful for all students and makes it easier to find the desired information. In designing this application using appserv 8.6 in designing the Website and also this application is designed using a system that can make it easier for users to access the application. Keywords: Repository, Web, Appserv, PHP, MySql
Low Poly Modelling Planet Pada Film Animasi Gerhana Bulan dan Gerhana Matahari Ramadhanty, Viga Sakina; Lubis, Imran; Budiman, Arief
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13633

Abstract

This study aims to design and build the process of the occurrence of a lunar eclipse and a solar eclipse in the form of 3-dimensional animation. This process provides information about how lunar and solar eclipses occur using low poly modeling techniques. This technique is used so that the rendering process does not take a long time and also displays a unique object shape because of the large number of polygons formed. Animations were created using blender software version 2.92 and editing using adobe premiere pro software. The results of this study are implemented in the form of animated films that can be opened via mobile phones or laptops. Keywords: 3D animation, low poly modelling, polygon, software blender version 2.92, software adobe premiere pro.
Penggunaan Metode MFEP Dalam Menentukan Jenis Daging Ayam Yang Berkualitas Untuk Di Konsumsi Berbasis Web Fransiska, Yunita; Irvan, Irvan; Lubis, Fachrul Rozi
Algoritma: Jurnal Ilmu Komputer dan Informatika Vol 6, No 2 (2022): November 2022
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/algoritma.v6i2.13771

Abstract

Chicken meat is an ingredient that contains high animal protein where many of the chickens also make a major contribution to meeting the animal protein needs of the Indonesian people. The need for chicken meat has increased every year, because the price is affordable by all people. There are many types of chicken meat that are widely circulated among the Indonesian people, plus so far there is no information about chicken meat that is suitable for consumption. The community must be required to be more careful in choosing chicken meat that is suitable for consumption. The purpose of this research is to determine which meat is suitable for consumption by the community by using the MEFP method as an indicator in the calculation of the assessment with the results of being able to determine chicken meat that is suitable for consumption. The criteria used in this study are color, aroma, texture, price, and protein with the results of probiotic and prebiotic chickens as chickens that have good value for consumption Keywords: Chicken Meat, Mefp 

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