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INFOKUM
Published by SEAN INSTITUTE
ISSN : 23029706     EISSN : 27224635     DOI : -
Core Subject : Science,
Computer Science & IT
The INFOKUM a scientific journal of Decision support sistem , expert system and artificial inteligens which includes scholarly writings on pure research and applied research in the field of information systems and information technology as well as a review-general review of the development of the theory, methods, and related applied sciences. Software Engineering. Image Processing Datamining Artificial Neural Networks
Arjuna Subject : Ilmu Komputer (semua kategori) - Kecerdasan Buatan
Articles 202 Documents
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Search results for , issue "Vol. 10 No. 5 (2022): December, Computer and Communication" : 202 Documents clear
Implementation of Digital Libraries as High School Welcome to the Era of Society 5.0 Josep Kristian Lubis; Deswidya S Hutauruk
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

The school library is the only form of literacy implementation for students. With the development of information technology as it is today. Students cannot access knowledge outside their school by using existing digital libraries. The existence of the covid-19 pandemic has made not only students obstacle to getting direct knowledge from teachers but also teachers as teachers cannot carry out the learning process as usual, especially in a school that not even applying information technology in the field of education in their schools. SMA Negeri 1 Pangururan is one of the high schools in the capital city of Samosir Regency. With easy access in the Regency city, the school should have a capable digital library. Maintaining data for an extended period is one of the advantages obtained when implementing a digital library. The results of the study in the form of the application of a digital library with OPAC (Open Public Access Catalog using the Agile Development system development method) went well and smoothly, it was seen from the test results using black box testing, and the assessment of the application was in the "very feasible" status with a value of 81% so that the digital library is to be implemented in SMA Negeri 1 Pangururan.
Application-assisted Project Based Learning Transformation During Covid-19 Adaptation at Madrasah Aliyah Negeri Jubelando O Tambunan; Elsida Aritonang
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

One learning model that is regulated by Covid-19 during online learning is Project-Based Learning (PBL). Prior to the pandemic, Madrasah Aliyah Negeri (MAN) Dairi had begun the Project-Based Learning method, although at the time, it relied solely on digital technology for communication. Although online learning has been implemented, it cannot be optimized because the only platform available is Whatsapp for communication. With the school environment and strategic location in the capital city of the Dairi Regency, integrated learning should be implemented, particularly in Project-Based Learning, to maximize adaptation to this new habit. Researchers are therefore interested in developing a platform that can support and transform Project-Based Learning learning model. The method utilized for system development is the ADDIE method (Analysis, Design, Development, Implementation, and Evaluation). The results of this study reveal a platform that can accommodate teachers and students in the use of Project-Based Learning (PBL), with 80.22 percent of the responses falling into the "Very Good" category.
Information System Design Of Online Survey On Employee Performance Web-Based Online Survey Effendi, Muhammad Ridwan; Ratih, Susiana Dewi; Firdaus, Firdaus
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.419 KB) | DOI: 10.58471/infokum.v10i5.838

Abstract

This paper aims to describe a web-based online survey information system that has been designed reliably, so as to produce faster, more accurate and relevant information and reports as needed. The sources and types of data used were obtained through field studies and literature studies. Among them by conducting direct observations and interviews on the object of research and supported by appropriate literature. While the data analysis method used is descriptive qualitative method. From the results of the research that the researchers have done, it is found that the constraints of the system that are currently running, include: a lot of paper is wasted due to making survey questionnaires, the survey filling process must be awaited and must be face to face, the report generation process is too long because the calculations are still ongoing. manuals, and so on. Circumstances like this have prompted the author to create an online survey information system and it is hoped that this information system will be able to overcome the above problems and anticipate them.
Decision Support System Group Of Learning Evaluation At SMA Negeri Lhokseumawe Mulyadi; Azhar; Zulfan Khairil Simbolon; Hendrawati; Amirullah
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

Teachers as educators who have the main task of educating the nation's children to become the next generation who are intelligent and knowledgeable. Teachers can develop students' potential and motivate students to excel. The quality of teachers is influenced by the level of teacher performance in providing knowledge to students and the way of providing clear and appropriate material when teaching. Students must also be involved in the process of assessing the quality of the performance of teachers who have been teaching. Based on these problems, input from students about teacher performance is generally done manually by filling out a satisfaction questionnaire on the teaching and learning process. As a result, we require an assessment system and a model for the quality of learning, particularly in the core school subjects. The evaluation in teacher assessment uses the AHP (Analytical Hierarchy Process) method and group borda. The AHP model process is used to evaluate and improve the quality of student learning so that it can provide objective results. The stages of research using research and development include the first stage, namely the preliminary study stage, theoretical study, and planning stage. The variables measured included attendance, accuracy, ease of capturing material, and the ability to manage classes and formulate problems. The second stage is to test and revise the AHP and Borda models. The third stage is the feasibility test of the decision model with AHP and Borda. The result of the group model is to get the ranking value of each variable, and this value will be entered into the AHP model and the Borda group model. The Borda results are given by the school principal, vice principal, and policy makers. The results of the AHP Model value of K1 (Teaching Attendance Rate) with a priority weight value of 0.280, rank 2, K2 (Accuracy of Starting and Ending Study Hours) of 0.207, and ranking 4, K3 (Ease of Submission of Materials to Be Understood) of 0.295. 1, K4 (Ability to Manage Class Interaction) 0.217, ranking 3. The results of the board for selecting the best teacher: alternative A1 with a value of 0.24 ranking 3. Alternative A2 with a ranking value of 0.20; Alternative A3 with a value of 0.28 ranking 1. Alternative A4 with a value of 0.27 and a rating of 2. The results of this study are the assessment of students and each teacher from the AHP model. Furthermore, the results of the Borda group are in the form of rankings from policy makers. The results of the research are more objective because of the decision-making on the part of students and groups/policy-makers.
WEB-BASED MOBILE SERVICE HANDLING APPLICATION DESIGN Teni Agustina; Dewi Aryanti; Mochamad Nandi Susila; Mulyadi Mulyadi; Andronias Siregar; Hardiyan Hardiyan
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

The use of internet technology has developed with the presence of web-based applications as a solution to a problem in an organization. CV. Dayla Cell is a business actor selling services for accessories and handling mobile phone service and as an object of research. The problem that exists in the object of research is the management of service data, which still uses paper records physically and is not yet supported by database data storage. The purpose of this study is to design and build a web-based application that can support the effectiveness and productivity of research object service handling activities, with the benefit of research being able to provide convenience and speed in searching for the required data because the data is stored properly in a database. This study uses the SDLC (Software Development Life Cycle) software development method with the stages of the waterfall method. The results of the study are that the applications built are able to properly support operational activities, especially mobile phone service on the object of research
Customer Satisfaction Analysis of PLN Mobile Services Using the Naïve Bayes Classifier Method I Komang Arya Ganda Wiguna; Ani Nida’ia Mustafida; Putu Praba Santika; Made Suci Ariantini; I Gede Iwan Sudipa
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

This research was conducted to determine customer satisfaction with the PLN Mobile application service by employing the Nave Bayes Classifier algorithm in order to precisely determine the level of customer satisfaction with the PLN Mobile application service based on customer data collected through the PLN Mobile application. Using a questionnaire issued to consumers who use the PLN Mobile application, the author collects data for this study. The purpose of the author's research is to acquire the outcomes of data analysis using the Nave Bayes Classifier equation. Class "Yes (Satisfied)" and Class "No (Not Satisfied)" were established by the authors of this study to measure consumer satisfaction with PLN Mobile application services. To determine the classification of satisfaction, the author employs the factors of gender, age, and occupation, in addition to sixteen of the author's own assertions. Based on studies utilizing the Nave Bayes Classifier, the authors obtained a precision of 90.48%.
Analysis of the Use of Color LUTs in Project Video Announcements Wahyu Yudianto; Diny Anggriani Adnas
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

Video evolved into one of the mediums for displaying information that displays sound as well as images for various purposes. There are 3 important stages in the video production process, namely Pre-Production, Production, and Post-Production. In this study, we discuss more deeply the important part that is included in the Post-Production stage, namely Color Grading which is included in the editing stage. Qualitative comparison is a method that the author uses to compare the color grading technique commonly applied by production houses in the film industry with the color grading technique applied to an announcement video project. The results of this research show that this research can be a knowledge and reference in making a video project, because it is proven that the coloring process is an important step to build the look and mood of a video project.
Speed Comparison OF Websocket And HTTP In IOT Data Communication Friendly, Friendly; Sembiring, Ajulio Padly; Faza, Sharfina; Luckyhasnita, Andam
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v10i5.852

Abstract

IOT devices is connected using various method. Two of most commonly used methods are websocket and HTTP Api. According to the results of the test, number of loads and data size can increase the time duration for each communication method either websocket or HTTP api. Api and websocket has a wider range usage and large data transfer. API and websocket is more preferred than other method as these methods is easy to implement and the server configuration is not complicated. API is most common as the protocol is HTTP that can be setup by using common hosting service. Incontrolling IOT devices, response time is very important. Delay in sending message may cause bad user experience as user may think that the devices might be malfunction. In this research we measured the time needed to control an IOT devices using HTTP using API protocol and websocket. Base on our research, The process between pushing the controller button and the IOT devices execute the task is faster when using the websocket while using the HTTP. Websocket is much better option in data exchange than the HTTP api. The average time of websocket in data exchange between the server and IOT devices is between 554-711 mili second while the average time of HTTP api is between 2.7-4.5 second. This test is done by calculating the round trip of the process, thus the process in the IOT devices where the data is processed is included and measured.
Implementation Of Linear Congruent Method in Online Exam Applications For SMK Students Amrullah Amrullah; Al-Khowarizmi Al-Khowarizmi
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

The Pangeran Antasari Vocational High School (SMK Pangeran Antasari) Final Examination (UAS) is an activity that determines the success of a student in 2 semesters of educational activities. UAS performs better when each student's questions are displayed randomly, and the difficulty can be increased to make each student's answer different. There are 101 questions per subject in the question bank, but the system displays 40 questions for each student. The Linear Congruential Method (LCM) method randomly displays question data in the app and provides each student with a different type of question pack. Each student's UAS scores are stored in a database for subject teachers and students' academic performance. The test results for the actual student application are assigned a different set of questions for each computer the student uses. Randomization of questions for each computer used by students using the LCM method gives each student a level of difficulty, resulting in a random question package of up to 40 questions with a difficulty level of 82.5%. Because certain question numbers have the same questions, but it can be recommended to help the school in the process of UAS activities.
IMPLEMENTATION OF HUFFMAN AND LZ78 ALGORITHM FOR CHARACTER COMPRESSION Chairul Imam; Muhammad Furqon Siregar
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

The Huffman algorithm is a time complexity of 0(n log n), because the Huffman algorithm performs one iteration process when merging two trees that have the smallest frequency at a root takes 0(log n), and the process is done many times until only there is only one tree left with a combination of the LZ78 algorithm using a dictionary technique in compressing one of the characters in the form of a string replaced by a table code that is made for reference in extended ASCII in inputting characters or strings.

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