cover
Contact Name
Mesran
Contact Email
mesran.skom.mkom@gmail.com
Phone
+6282161108110
Journal Mail Official
jurnal.json@gmail.com
Editorial Address
STMIK Budi Darma Jln. Sisingamangaraja No. 338 Telp 061-7875998
Location
Kota medan,
Sumatera utara
INDONESIA
Jurnal Sistem Komputer dan Informatika (JSON)
ISSN : -     EISSN : 2685998X     DOI : https://dx.doi.org/10.30865/json.v1i3.2092
The Jurnal Sistem Komputer dan Informatika (JSON) is a journal to managed of STMIK Budi Darma, for aims to serve as a medium of information and exchange of scientific articles between practitioners and observers of science in computer. Focus and Scope Jurnal Sistem Komputer dan Informatika (JSON) journal: Embedded System Microcontroller Artificial Neural Networks Decision Support System Computer System Informatics Computer Science Artificial Intelligence Expert System Information System, Management Informatics Data Mining Cryptography Model and Simulation Computer Network Computation Image Processing etc (related to informatics and computer science)
Articles 755 Documents
Perancangan Aplikasi Kumpulan Komik Berbasis Android Menggunakan Algoritma Crochemore Perrin Abdul Haris Siregar; Nelly Astuti Hasibuan
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2454

Abstract

Comic is a work of art that is designed using a collection of still images and is complemented by a text or story. Comics are a reading book needed by children and teenagers alike. In comics, apart from the interesting content of the stories, there are also moral messages embedded in each story. However, with the development of technology, there are many comics whose stories do not educate teenagers' characters, starting from pictures and no more educational moral messages embedded in the stories. The solution drawn from this problem is by designing an Android-based comic application that can be easily accessed and understood by the public, especially teenagers. However, due to the limitations of smartphone applications to present comic episodes, string matching is needed to search for comic titles. The string matching algorithm is a string matching algorithm that looks for a string consisting of several patterns (characters) in a large amount of text. For android-based comic applications, it is designed using the Crochemore-perrin algorithm
Sistem Pendukung Keputusan Pemilihan Sales Marketing Terbaik di PT. Alfa Scorph Menggunakan Metode COPRAS Alwali Daini Udda Siregar; Nelly Astuti Hasibuan; Fadlina Fadlina
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2455

Abstract

Of the various functions that exist in a company engaged in the business world, the function of marketing or marketing functions is a very vital and strategic function for the company concerned. The rapid development of the business world, accompanied by increasingly intense business competition, has actually strengthened the position of the marketing aspect of this vital and strategic position, Sales are the jobs most needed by the company, these 10 specialties, total vacancies for sales are 19%, followed by financial default by 18%, while IT / communication amounts to 13%. Job vacancies as sales are widely available, but lack of interest, therefore companies find it difficult to find employees in the sales department The COPRAS method assumes a direct and proportional dependence on the level of significance and utility of the alternatives in the presence of conflicting criteria. This takes into account the performance of alternatives with respect to different criteria and also the weight of the appropriate criteria. This method chooses the best decision considering the ideal and ideal solution - worst. The COPRAS method used here for decision making in the manufacturing environment adopts a six-stage procedure ranking and evaluates alternatives in terms of their level of importance and usefulness. The COPRAS method has the ability to take into account positive (favorable) and negative (unfavorable) criteria, which can be assessed separately in the evaluation process. The most important feature that makes the COPRAS method superior to other methods is that it can be used to calculate the level of alternative utility that shows the extent to which alternatives are taken for comparison
Penerapan Algoritma Venigmare Cipher dan Vernam Cipher Dalam Pengamanan Data Teks Kermanosiavic Noverdianto Siahaan; Mesran Mesran
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2457

Abstract

Data security and confidentiality is one very important aspect in today's information system. The emergence of internet and multimedia technology has prompted various efforts to protect, secure, and hide data on digital files from unauthorized parties to access these files. One of the efforts to secure data and information includes using the Venigmare Cihper and the Vernam Cihper. Venigmare is an encryption that can reduce the correlation between the frequency of letters in plaintext and Ciphertext. But unfortunately this method still leaves a repeating pattern, especially if the encrypted plaintext is long enough. In this case, the role of the data encryption technique known as cryptography is very important. Cryptography is a technique for encoding data through a process of encryption and decryption with a specific key to produce encrypted data that is unknown to others. This paper will use the Vernam Cipher algorithm.
Penerapan Algoritma Filtering Derivatif Untuk Penajaman Kualitas Pada Citra Khairul Khairul
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2458

Abstract

Derivative filtering algorithm is the formulation of mathematical derivative concepts beginning with understanding the concepts of calculus applications, especially differential theory (derivatives) in digital formulations. The method used in the formulation of this theory is to seek, collect and study several theories related to differences and their applications. The derivation technique can be described as calculating the rate of brightness values in a discrete digital image, also known as an image derivation technique. Sharpening will be obtained by calculating the difference in brightness values between adjacent brightness values in the same column and row. Image is the overall result of a data recording system. Theoretically, images can be grouped into 2 (two) types, namely continuous images and discrete images (digital images). A continuous image is generated from an optical system that receives an analog signal. Example: human eye, analog camera. Meanwhile, digital images are generated through the process of digitizing continuous images. Example: digital camera.
Analisis Network Planning dengan Critical Path Method (CPM) Dalam Rangka Efisiensi Waktu dan Biaya Proyek Pembangunan Rumah Minimalis (Studi Kasus: Property Group Medan) Lilyana Lilyana
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2459

Abstract

The development of science and technology in the field of computers is currently so fast, along with many new discoveries that are useful in developing this technology. This greatly affects the performance of each agency and company in dealing with any problems that arise in data processing. Analysis of the application of time management in home construction construction projects, using the Microsoft Project 2007 application, is very helpful for contractors in managing home construction projects, starting from making project plans, allocating resources, planning construction project costs, making project movement plans and evaluating projects. in accordance with the provisions for completing the study in the Information Systems undergraduate program which must make a thesis.
Rancang Bangun Aplikasi Mobile Buku Nyanyian Gereja Berdasarkan User Centered Design (UCD) Tadonny Vani; Arnoldus Y.F. Danar Yudhistira; Billy Re Satria
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2462

Abstract

In the era of industrial revolution 4.0, people prefer to use digital services that are instantaneous and practical, including hymns of praise or spiritual songs for worship activities in the congregation of GKE Nanga Bulik. This study aims to produce an android-based mobile application that can be used to support worship activities, especially in the service of hymns or spiritual songs in the Congregation of GKE Nanga Bulik. This research was conducted in several stages, named the Data Collection Stage, the System Design Stage and the Report Writing Stage. The system design stage was developed based on the User Centered Design (UCD) method. The result showed that a mobile application was in accordance with user needs and was presented as a new innovation in the Congregation of GKE Nanga Bulik.
Sistem Pendukung Keputusan Penentuan Badan Usaha Milik Desa Terbaik Menerapkan Metode VIKOR Muhammad Rizky
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 2 (2021): Januari 2021
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i2.2463

Abstract

Determining the best BUMDes is not easy, because the decision making for the best or not the best BUMDes is still done manually without using computerization. To do this, it takes a long time and avoids mistakes in determining the best BUMDes, for that we need a decision support system that will help make decisions. The decision support system is a system that can be helpful and easy to use so that decision makers with the best alternatives make decisions in the process of determining the best BUMDes. The VIKOR method is a fairly simple method that can be used in decision making to analyze multi criteria. The VIKOR method is based on ranking and selecting from a set of existing alternatives, it can be used to rank many criteria, both qualitative and quantitative. In the VIKOR method, the best value is the smallest value, not the largest value. The calculation results of this method will be as expected if the selected alternatives meet the predetermined criteria. Thus a decision support system is needed so that it can help make the right decisions in determining the best BUMDes.
Penerapan Metode PROMETHEE II Dalam Karyawan Terbaik Pada Pusat Penelitian Kelapa Sawit Area Medan Muhammad Indra Sukmana
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 2 (2021): Januari 2021
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i2.2464

Abstract

Today's technology is very important for people's daily lives, computerization and information are needed for decision making during the selection and selection of the best candidates for employees. The company is also experiencing difficulties because so many employees will be selected to get holiday gifts abroad. With the decision support system to determine the best employee using the PROMETHEE II method, the company is easier to determine the employees and the weight value of each attribute or alternative with the assessment criteria that have been determined by the company. The design of a decision support system using the PROMETHEE II method in determining the best employees to get holiday prizes abroad in the PPKS Medan area is built with the Visual Basic 2008 programming language, the running system will produce output in the form of employee names that are eligible to get holiday prizes abroad. This system is expected to be able to help companies find out who are the best employees who really deserve a holiday prize abroad.
Sistem Pendukung Keputusan Team Survei Terbaik Pada SNI (Serikat Nelayan Indonesia) Menggunakan Metode SMART (Studi Kasus: Sekretariat SNI, Medan) Muhammad Yusuf; Nelly Astuti Hasibuan
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 3 (2021): Mei 2021
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i3.2465

Abstract

Surveys are usually confused with the term observation in the everyday sense, surveys are also the main way to collect primary data if secondary data are deemed incomplete to answer a question, if the secondary data is complete enough and the hypothesis can be tested with secondary data then Direct primary data collection using the survey method is no longer necessary, a survey is looking for detailed factual information that is currently symptomatic and identifying problems or to justify conditions and ongoing activities to find out what people are doing which is the target of research in solving problems, as material for planning and making decisions in the future. SMART (Simple Multi - Attribute Rating Technique) is a multi-criteria decision-making method developed by Edward in 1977.This multi-criteria decision-making technique is based on the theory that each alternative consists of a number of criteria that have values and each criterion has a weight describes how important it is compared to other criteria. This weighting is used to assess each alternative in order to obtain the best alternative. SMART uses a linear additive model to predict the value of each alternative. SMART is a flexible decision making method.
Implementasi Algoritma Base64 Untuk Verifikasi Qr Code Login Jaringan Wifi Berbasis Android Abdul Hidayat; Pristiwanto Pristiwanto
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 2 No. 1 (2020): September 2020
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i1.2468

Abstract

In this day and age many people use the internet with wifi media because its use is easy and efficient, in contrast to the use of network cables because of its inefficient use and consuming a lot of space. But now the use of wifi is widely accessed by unauthorized people to access it and insecure login verification process and the amount of access that uses wifi on one SSID will result in a decrease in internet speed on wifi, to enter and verify it into a wifi network. text and numbers or security using the QR Code. Using a QR Code or an ordinary password will not be able to deal with people who are not entitled to such access, so it needs layered security to secure and verify wifi logins from people who are not entitled to access them. Base64 algorithm is one of the algorithms for encoding and decoding a data into an ASCII format, which is based on basic numbers 64 or can be referred to as one method used to encode binary data. In securing wifi by verifying the QR Code login wifi network using the base64 algorithm makes using wifi can be overcome and handled so that no one breaks into the wifi network because it can harm the users or owners of the wifi network

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