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INDONESIA
Instal : Jurnal Komputer
Published by Cattleya Darmaya Fortuna
ISSN : 20855702     EISSN : 2808683X     DOI : https://doi.org/10.54209/jurnalkomputer.v12i02.22
Core Subject : Science,
Computer Science & IT Decision Sciences, Operations Research & Management
Focus And Scope Instal : Jurnal Komputer is a peer-reviewed scientific journal published by CV. Cattleya Darmaya Fortuna which has been published since 2009. The aim of this journal is to publish high-quality articles dedicated to all aspects of the latest outstanding developments in the field of computer science. Instal : Jurnal Komputer is consistently published two times a year in June and December. This journal covers original article in computer science that has not been published. The article can be research papers, research findings, review articles, analysis and recent applications in computer science. The scope of Instal : Jurnal Komputer covers, but is not limited to the following areas: 1. Data Mining 2. Image Processing 3. Artificial Neural Networks 4. software engineering.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 270 Documents
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Digital Image Noise Reduction Application with Mean And Median Filter Method Rifa Ferawaty Rangkuti
Bahasa Indonesia Vol 12 No 01 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i01.12

Abstract

Images such as photos and so on, for some people are memories that carry a thousand meanings. As mentioned in a word of wisdom, one word only means one word but a picture represents a thousand meanings. Even though at present, the position of the image has been shifted by moving images such as videos, it's just that the use of images as a medium for storing an event remains in a strategic position. In this study, the noise reduction method is used as an image improvement method. Based on the tests carried out, it can be concluded that Noise is an image or pixel that interferes with image quality. The higher the ProbNoise value (noise density) given, the lower the PSNR value produced and the greater the MSE value obtained,
Design of a Digital Clock Application Using the Atmega 8535 Microcontroller Based Alarm Adi Tiarno Manik
Bahasa Indonesia Vol 12 No 01 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i01.13

Abstract

Seeing the reality that is happening in schools where alarms are needed as a sign or information about the start of lessons, breaks, ends of lessons until coming home from school. This is often done manually. This research was conducted to replace the manual tool with automatic equipment through the design of a digital clock using a Real Time Clock IC that uses an ATMega 8535 microcontroller as the controller of the entire circuit. In this system, a buzzer is used as an alarm and a seven segment as a time display. The time that is the reference in the digital clock is set at the beginning of the use of this digital clock into the RTC IC via a push button so that the microcontroller will retrieve the time data at a certain memory address. Based on the test results, starting from the time set, alarm set, the selection of the alarm sound until the activation of the alarm sound can be controlled by the microcontroller. Overall this system can function as designed.
Simulation to Determine The Amount of Fan Rotation on a Cooling Machine Using The Fuzzy Logic Method Afrizal Hasan Nasution
Bahasa Indonesia Vol 12 No 01 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i01.14

Abstract

This Fan Rotation Simulation Application on Cooling Machines with Fuzzy Logic is an application that can simulate the fan rotation process based on the input voltage and temperature given by the user. In carrying out this simulation, this application uses a stress index with a category of small, medium, medium, high or higher. Temperature index with categories cooler, cooler, warmer, warmer and hotter. While the fan speed index uses the very slow, slow, rather fast, fast and very fast categories. This system can analyze the amount of fan rotation in RPM (Rotation Per Minute) automatically based on the input voltage and temperature and is equipped with a graphic facility that displays the simulation results of fan rotation, namely temperature graphs and fan rotation graphs. However. The designed system is equipped with fan rotation speed animation, to simulate fan rotation in the temperature range of -50 C.
Text Data Compression Software Design Using Arithmetic Coding Method Al Aris
Bahasa Indonesia Vol 12 No 01 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i01.15

Abstract

Data compression is the science or art of representing information in a more compact form. Various algorithms have been developed for data compression purposes. One of the algorithms used is Arithmetic Coding. The working principle of this algorithm is to replace a series of input symbols with floating point numbers, where the longer and more complex the encoded message, the more bits required for file compression. This software is designed using the Visual Basic 6.0 programming language and is able to compress text files with a compression rate of about 75 percent. This system can also be used to compress two or more text files at once.
Traffic Light Control System Design Using Omron PLC With Ladder Diagram Method Azpadli Rozali
Bahasa Indonesia Vol 12 No 01 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i01.18

Abstract

At this time, traffic congestion is a problem that many big cities face, especially at intersections. Traffic jams at intersections occur a lot because they are caused by the traffic light regulation system that is not in accordance with the traffic light settings which can be changed at any time. The design of the traffic light simulation control program is deviated by four. The program is made with 4 models, namely the all-light flashing model, the flashing yellow light model, and a different one-way model. The current traffic light regulation mostly uses a fixed time setting system where the lights are set to work on a fixed time basis, regardless of the ups and downs of traffic flow. Therefore, offered a detector system (traffic actuated) by utilizing PLC (programmeble logic controller) as a controller. This research is made a simulation tool with PLC Omron. The working process of this tool is in the form of sending input from sensors installed on the road, where this sensor detects the presence or absence of vehicles.
Banker Algorithm Simulation Software Cerlinto Hutagalung
Bahasa Indonesia Vol 12 No 02 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i02.22

Abstract

Banker's algorithm is an algorithm that models a bank in a small town dealing with a set of customers. This banker algorithm is used to deal with queuing problems in banking. In this case, one of them is how to simulate queues in banking. In this study, the design and manufacture of simulation software is used to help simulate whether a system is in a safe state or an unsafe state, in a safe condition the process is continued but if the process is unsafe the process is delayed until the system is in a safe state. The result of this research is a banker algorithm simulation software that models a banker who is dealing with a group of customers in a bank.
Implementation of the Ant Colony System Algorithm in the Lecture Scheduling Process Tejo Herianto
Bahasa Indonesia Vol 12 No 02 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i02.23

Abstract

Scheduling lectures using the ant algorithm is able to provide alternative solutions for scheduling lectures that want a certain time optimally. In this research, the method used is literature study. This literature study was carried out by reading books and literature related to scheduling and ant algorithms. In addition to using literature studies, researchers also use field studies. This is intended to get a true picture of the state of the institution by observing directly at the institution, by means of observation or data collection methods by conducting interviews on the parts involved in the process of preparing the class schedule. From the results of the analysis obtained: scheduling lectures using the ant algorithm is able to provide solutions in scheduling. The ant algorithm can be applied to create a class schedule with optimal results, the ant algorithm is able to provide solutions in the preparation of a lecture schedule that requires a certain time.
Internet Cafe Billing System Data Security Using RC4 Stream Cipher Bobi Akbar
Bahasa Indonesia Vol 12 No 02 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i02.24

Abstract

In data communication, against a data security method known as cryptography (Cryptography). Cryptography is a data security method that can be used to maintain data confidentiality, data authenticity or integrity, and the authenticity of the sender. This method is intended so that important information of a limited or confidential nature sent through public telecommunications facilities cannot be known or utilized by unauthorized parties. In this case, data security is also needed at the internet cafe (internet cafe). Warnet which is a place that provides Interconnection Networking that connects computers to form a network system that covers the whole world (global). Each cafe requires a billing system that is used to determine the state of the user in using the facilities at the cafe, starting from how long it takes to use and how much it costs each user. For this reason, so that the data on the billing system cannot be manipulated or modified by unauthorized persons, it is necessary to secure data. The data security method that will be used is cryptography, especially by using the RC4 stream cipher.
Life Pharmacy Website Design with Model View Controller Method Dapit Indra
Bahasa Indonesia Vol 12 No 02 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i02.25

Abstract

Nowadays research and development of medicinal plants both at home and abroad is growing rapidly. Research is mainly developing in terms of pharmacology and phytochemicals based on indications of medicinal plants that have been used by some people with empirically proven efficacy. The results of this study, of course, further strengthen the users of medicinal plants for their efficacy and usefulness. Moreover, many researchers have also conducted toxicological tests to determine the safety of medicinal plants that are often used for long-term use, as well as incidental use. The traditional healers also have a lot of knowledge of poisonous medicinal plants, but still use them because they know how to process them.
Decision Support System for Foundation Beneficiaries Using the Simple Additive Weighting (SAW) Method Elfrida Tamba
Bahasa Indonesia Vol 12 No 02 (2020): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v12i02.26

Abstract

Receipt of compensation funds for underprivileged students needs to be selected so that they are not wrong in providing assistance, so that the recipients of assistance are students who deserve to receive. The decision support system is an effective way of selecting students who need compensation funds. The criteria are as a stage for selecting students who are entitled to grant aid, with these criteria all students who participate in receiving the compensation funds will be ranked. The results of the ranking are based on calculations, the first order is Farhan Rifai with a value of0.8; second place is Sidratul Muntaha with a value of 0.7666

Page 2 of 27 | Total Record : 270

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