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IJISTECH (International Journal Of Information System & Technology)

ijistech
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Published by STIKOM Tunas Pematang Siantar

ISSN : 25807250 EISSN : - DOI : -

Core Subject : Science,

Computer Science & IT

IJISTECH (International Journal Of Information System & Technology) is published with both online and print versions. The journal covers the frontier issues in the computer science and their applications in business, industry and other subjects. The computer science is a branch of engineering science that studies computable processes and structures. It contains theories for understanding computing systems and methods; computational algorithms and tools; methodologies for testing of concepts. The subjects covered by the journal include artificial intelligence, bioinformatics, computational statistics, database, data mining, financial engineering, hardware systems, imaging engineering, internet computing, networking, scientific computing, software engineering, and their applications etc.

Arjuna Subject : -

Articles 394 Documents

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Facebook-based Tourism Promotion in Indonesia Amin Kiswantoro; Eufemia Sarina; Azril Azahari; Nur Rohman
IJISTECH (International Journal of Information System and Technology) Vol 4, No 2 (2021): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Promoting a tourist destination, Facebook is one of the best social media platfroms can be employed. Facebook has been known by everyone for a long time and hence even though there are many new features, people are still using Facebook. By posting on Facebook wall, most young people shared something including tourism promotion. They will post photos or videos with exciting words and greetings to other polite users. Indeed, previously tourism promotion was still minimal because many people were not familiar with social media. But along with the times, their mindset changed. They learn to use social media and at the same time make tourism is getting more intense in Indonesia. Here we will briefly discuss Facebook as a medium for promoting tourism in Indonesia. We present a review on the usage of Facebook as a platform for tourism promotion made by many scholars in Indonesia. We further present a discussion on what should tourism business player should do on their Facebook promotion page. Finally, we present open problems for future research recommendations.

Real Time Unit Monitoring Information Systems Using The Waterfall Method PT. Andhana Kirana Yasa Jakarta Imam Budiawan; Muhammad Nasrulloh; I Ispandi
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

PT. Andhana Kirana Yasa is a company engaged in car accessories installation services. The speed in the production process and the quality of products produced become the main value to compete with competitors. But to achieve the desired quality there are still problems that are experienced, first reject the unit of production and second, there is a cripple unit (no part), which is the unit in the production process. Still, the stock parts are exhausted in the warehouse so that accessories cannot be installed. The existing problems if not handled quickly and precisely cause a decrease in productivity. The installation service company has been given a maximum target lead time of 1 unit (car) for 3 hours. To overcome this problem, a monitoring application system/program is needed, which monitors the unit's production conditions directly so that when an obstacle occurs, it can be effectively dealt with. This application program is created using the waterfall method, which has the manufacturing stages starting from Requirement Analysis, System Design, Implementation, Integration and Testing, Operation and Maintenance. The programming languages used are HTML, PHP and JavaScript, MySQL as a database, and Sublime Text Editor as an editor. The purpose of making the application program is to monitor the unit production directly against problems that occur and produce data that is used to evaluate employee performance.

Prototype of Temperature Control For Cold Chamber Using Fuzzy Based on Microcontroller Rakhmat Kurniawan. R
IJISTECH (International Journal of Information System and Technology) Vol 3, No 2 (2020): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Cold Chamber is a small cold room in a cooling system as a storage place for cold air before the air is flowed to the object to be cooled. A cooling system will be greatly influenced by temperature lowering sources. To be able to provide optimal results in a cooling system, it requires a cold chamber whose temperature can be controlled automatically. To be able to control the temperature, a tool is needed. So that the tool can control the temperature, the tool needs a sensor that can read the temperature in the cold chamber, namely DS18B20. This sensor works by reading the temperature of the environment and then sending it to the microcontroller. To control the temperature, the microcontroller will send commands to the fan which functions as a sender of cold air to the cold chamber, and a pump which functions to drain water on the hot side of the cooling element. The cold air source in this tool comes from Peltier TEC1-12706. The reading result and the desired temperature setting will be displayed on the LCD. If the actual temperature is greater than the desired temperature, the fan will blow more cold air into the cold chamber and the pump will flow water faster. If the actual temperature is less than the desired temperature, the fan will stop blowing and the pump will slow down the flow of water. With this tool, it will be easier to adjust the temperature in a cooling system.

Analysis of Backpropagation Algorithm Using the Traingda Function for Export Prediction in East Java Nur Ahlina Febriyati; Achmad Daengs GS
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Exports are significant for a country's economic development, especially in regions that carry out export activities because not all countries and regions have the same natural and human resources. Therefore this study aims to predict the level export of oil, gas, and others in the province of East Java and understand the forecast for the number of exports in the coming year. This is important to provide information to the East Java provincial government so that it can make policies so that the export value can be increased, at least so that the export value remains stable. The prediction algorithm used is the Backpropagation Neural Network algorithm using the Gradient Descent training function with Adaptive Learning rate. The research data is data on the Export of oil, gas, and others in East Java Province from 2008 to 2019. The prediction process analysis uses 3 network architecture models, namely: 5-10-1, 5-15-1, and 5-20-1. Based on the analysis results, the 5-10-1 model is the best compared to the other two models with an accuracy rate of more than 90% and MSE testing 0.0012454304, which means that this model is good for predicting the export of oil, gas, and others.

Promotion Media Recommendations on The Acceptance of New Students In Private Educations With The Simple Additive Weighting Method R. Fanry Siahaan; Liber Simbolon
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Ensuring the existence of private universities (PTS) is the number of new students who enrol in each new academic year. One of the ways that private universities STMIK Pelita Nusantara to attract new student candidates is through promotion. Promotion is a communication activity carried out to introduce something to the public and simultaneously influence the wider community to buy and use the product. The purpose of this study was to determine which promotional media was more effective which had an impact on the number of new student enrollments at the private tertiary education institution STMIK Pelita Nusantara using the SAW method as a measuring instrument. The steps taken are: determining the value of the criteria for each alternative, determining the weight, normalizing the matrix, and normalizing the decision matrix to a scale that is compared to all the alternative ratings. The result of the research is the promotion mix with the alternative Worth of Mouth promotion as the best media with a value of 1.

Effectiveness of E-Archives As A Media Of Information Technology Based Data Management In Universitas Lancang Kuning Bayu Febriadi; Adi Rahmat
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Badan Penjaminan Mutu of Universitas Lancang Kuning (BPM UNILAK) is an agency that is tasked with organizing an internal quality assurance system (SPMI) and an external quality assurance system (SPME) or what is also known as accreditation, but in managing documents related to SPMI data and accreditation not yet There are information technology-based media that can be utilized in the implementation of these activities, while BPM UNILAK has implemented information technology in daily activities so that there are problems with delays in data presentation, missing data, this, of course, affects the performance of the Quality Assurance Agency and is inefficient in presenting information that is needed at any time and the importance of this activity is very high in building a quality culture at Universitas Lancang Kuning. To answer these problems, it is necessary to have an information technology-based document filing system that can process data more quickly, precisely and integrated to make it better in presenting the information. The methods used in this study include system requirements analysis, system design, implementation and testing and system maintenance. With the use of information technology in the application of computerized-based applications for archiving and presenting accreditation data needs, it is hoped that it can help the academic community more quickly and accurately in processing accreditation instrument data. It is hoped that with the development of archiving applications and the presentation of accreditation instruments by completing the System Development Lyfe Cycle (SDLC) method in the problem analysis stage, the applications built can improve the quality of filling accreditation instruments in data processing that are well integrated and can be used at any time by the community. Universitas Lancang Kuning academics.

Cost of Production Price Analysis Using Job Order Costing Method In CV. Alam Lestari Jaya Fetty Ade Putri; Efani Desi
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Cost of production is the cost of production absorbed into each unit of product produced by the company. Calculation of order costs is a method for determining the cost of production of a company's products according to consumer orders. CV. Alam Lestari Jaya is a company engaged in the field of convection and processing of clothing materials into ready-made clothes for various purposes. The purpose of this research is to find out how to CV. Alam Lestari Jaya determines the cost of production and compares it with the job order costing method. This research uses experimental methods, quantitative descriptive data analysis, and observation. The result is that CV Alam Lestari Jaya can apply the job order costing method to calculate the cost of production. As a result, the difference in cost of goods manufactured, which shows lower costs than using the job order costing method. There is a difference in the selling price of Rp 2.817, according to the company and the calculated job order costing. Besides, this study did not calculate all factory overhead costs because the company did not allocate a budget for factory overhead costs. This causes factory overhead costs not to be fully calculated, such as electrical loads and depreciation loads for sewing machines. The final results obtained in this study are in accordance with the expected criteria.

A Review of YouTube for Tourism Promotion in Indonesia D Damiasih; Arneta Rohma Agustina; Azril Azahari; Dwiyono Rudi Susanto
IJISTECH (International Journal of Information System and Technology) Vol 4, No 2 (2021): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Currently, YouTube as one os popular social media platrom is something that has potential as a medium for tourism promotion. This is because YouTube is a social media that has the second largest number of users, it can also be an effective media for promotion since YouTube displays visual and audio that are considered to be attractive. Hence, it can contribute to grow and increase the interest of tourists to visit. This has been proven by several countries that tourism sectors have become famous since the videos uploaded through the YouTube. There are several things that must be considered by Indonesia in making tourism promotional videos. Therefore, this paper presents a review on the usage of Youtube as platform for tourism promotion made by many scholars in Indonesia. This paper further presents a discussion on what should tourims business player should do on their YouTube promotion channel. Finally, we present open problems for future research recommendations.

Application of Decision Support System for the Best Teacher Selection with the Simple Additive Weighting Method S Susliansyah; Fintri Indriyani; Annisa Dwi Wijayanti
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Selection of the best teachers at SMK is carried out once a month in order to provide motivation for teachers in teaching and learning activities, in decision making is still done manually and also subjectively. So that the results of the decisions are inaccurate and cause social jealousy among teachers. Therefore, in assessing the best teachers, a decision support system is needed to obtain accurate results. The Decision Support System method used for problem-solving in this study is the Simple Additive Weighting (SAW) method. The criteria used are present on time, responsibility, dress neatly and politely, participate and contribute, be active and productive, and help fellow teachers. The result of this research is to produce the selected alternative with the greatest value.

The Determination of Shortest Path Using Genetics Algorithm Assisted Matlab Hendra Cipta; Rina Widyasari
IJISTECH (International Journal of Information System and Technology) Vol 3, No 2 (2020): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

The problem is taking the shortest path for a road driver is an interesting thing. This paper explains how to find the shortest path using a genetic algorithm to achieve the best solution. Then it shows how to implement the genetic algorithm using the MATLAB program. For example, it is given a connected directed graph containing 20 vertices and 41 arcs where these vertices are assumed to be cities.

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