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Elkom: Jurnal Elektronika dan Komputer
Published by Universitas Sains Dan Teknologi Komputer
ISSN : 19070012     EISSN : 27145417     DOI : https://doi.org/10.51903/elkom.v14i1
Core Subject : Education,
Education
Elkom : Jurnal Elektronika dan Komputer merupakan Jurnal yang diterbitkan oleh SEKOLAH TINGGI ELEKTRONIKA DAN KOMPUTER (STEKOM). Jurnal ini terbit 2 kali dalam setahun yaitu pada bulan Juli dan Desember. Misi dari Jurnal ELKOM adalah untuk menyebarluaskan, mengembangkan dan menfasilitasi hasil penelitian mengenai Ilmu bidang informatika, sebagai media bagi para dosen, guru, peneliti dan para praktisi dalam bidang teknologi informasi dari seluruh Indonesia, dalam melakukan pertukaran informasi tentang hasil-hasil penelitian terbaru yang telah dilakukan.
Arjuna Subject : -
Articles 631 Documents
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Perancangan Sistem Kebangkrutan Menggunakan Metode Altman Z-score Cristeddy Asa Bakti; Anton Anton
Elkom : Jurnal Elektronika dan Komputer Vol 14 No 1 (2021): Juli: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v14i1.238

Abstract

The purpose of this study is to produce a design to predict, analyze and determine the level of potential bankruptcy of a company using the Altman Z-Score method. Predictions are made by analyzing the financial statements of a company. The research approach used is a qualitative approach. Data analysis technique in this research is descriptive analysis technique. The results of the first phase of research are in the form of a review of bankruptcy prediction analysis using secondary data from banks in Indonesia that are already on the stock exchange and have branch offices in the city of Semarang, while the second year produces an information system design that has added value from the first year to the third year. testing the system that has been designed using actual financial statement data.
SISTEM PENDUKUNG KEPUTUSAN PENERIMAAN KARYAWAN MENGGUNAKAN METODE SAW (Simple Additive Weighting) kurnialensya; yuli fitrianto
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 2 (2020): Desember: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

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Abstract

Arzara company is a company engaged in the garment sector, the development of the company affects the level of production of goods, so that in order to balance the production needs, it must increase the number of employee needs. The problem that often occurs in Arzara's company is the lack of professionalism of the company's employees, resulting in unilateral termination of employment. Termination of employment of employees of course will also affect the amount of production of goods. The SAW method or often called Simple Additive Weighting is an algorithmic method used for decision making, using certain criteria as the weight of the assessment in decision support. In making employee admission decisions using the SAW method using several criteria, which include expertise (skills), work experience, age, gender, education, health, talent, character, temperament, character, general knowledge tests, psychological tests. By using the PHP programming language, it can be used to assist the company to perform valid recruitment of employees . Applications that have been made can be used as a tool for decision makers while remaining based on a decision support system that is more effective in selecting employee admissions using the SAW ( Simple Additive Weighting ) method .
Rancang Bangun Sistem Informasi Akademik Berbasis Web Mobile Chicie Chandani; Toni Wijanarko Adi Putra; Migunani
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 2 (2020): Desember: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

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Abstract

Academic means the teaching and learning process carried out in the classroom or school world. Academic information systems at SMAN 1 Ketungau Tengah previously still use manual management systems, such as the calculation of final manual values ​​as a result can cause delays in giving value, the data received is still in the form of paper files that can be lost or damaged, and not connected to the network from one computer to another computer so that the process of moving data still uses a flashdisk. The system certainly has a lot of weaknesses, the implication of which is the weakness of the administrative system, the waste of energy, the less optimal service, for example the distribution of report cards which are sometimes late, slow data processing and calculation errors. The system created aims to help ease calculations, can enter data more effectively and efficiently. The system development method used is SDLC (Sytem Development Life Cycle) which consists of planning, analysis, design, implementation and maintenance. Using the PHP programming language in its creation and MySQL as the database. The results of this study are a Mobile Web-based Academic Information System that helps the admin (staff) in managing data and printing report cards, teachers in managing values, students and parents / guardians in looking at schedules and grades.
Dashboard Monitoring Kinerja Aparatur Sipil Negara Pada Dinas Pengelolaan Pajak Provinsi Kepulauan Riau Okta Veza veza; Nofri Yudi Arifin; David Saro; Rio Adam
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 2 (2020): Desember: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

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Abstract

Over time, the Riau Kepualaun Provincial Tax Management Office which lives in Batam City underwent a name change to become a Regional Tax and Retribution Management Agency for the Riau Islands Province (BP2RD). This study aims to design a dashboard that can assist Eschelon officials in monitoring the performance of the State Civil Apparatus (ASN) at the Regional Tax and Retribution Management Agency of the Riau Islands Province. Because there is no system that displays information related to the work done and completed by an ASN, a dashboard design is needed. Data on the dashboard system is obtained from ASN performance data consisting of activity grouping data, activity weights, monthly targets in one year, and distribution of incentives and employee income benefits based on the achievement of target weights. The modeling system used is the Unified Modeling Language (UML), with the use case, activity, sequence and class diagram stages. While the development of this research system uses the Macro Process method in Object Oriented Analysis Design (OOAD) with the stages of Requirements, Analysis and Design, Implementation and Testing. The dashboard is designed based on a website, using the PHP programming language and using MySQL as the database. Qualitative research techniques, by collecting data and information descriptively. The results of this study display a dashboard in the form of text consisting of the number of employees, targets, target achievement, target percentage, target employee income allowances, and employee income allowances obtained, as well as a dashboard in the form of a pie chart and bar chart for target and achievement percentages respectively. target, it is hoped that this dashboard can assist Eschelon Officials in assessing and monitoring the performance of the State civil apparatus.
Sistem Monitoring Dan Kontroling Irigasi Sawah Menggunakan Microcontroller Wemos D1 Berbasis Internet Of Things Supriyanto Supriyanto; Eka Satria Wibawa
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 2 (2020): Desember: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

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Abstract

Irrigation is a land irrigation system by damming water sources. Irrigation as the provision, regulation and disposal of water to support agricultural needs. Irrigation is generally used by farmers, especially farmers in rice fields to irrigate and provide water supply to agricultural land, monitoring water stock in rice fields must be done frequently because rice water needs must be balanced with a lack of water supply or excess water supply in rice fields is not good for rice growth . So far, farmers have monitored irrigation channels manually, the location of the rice fields from the farmer's house often causes rice plants to experience scarcity because the floodgates are not opened when the water supply is running low or experiencing water supply. excess because the floodgates are opened for too long, this will greatly disturb the growth of rice plants. Making a monitoring and control system for irrigation channels using a water level sensor installed on the ESP 8266 microcontroller (Wemos D1), the system uses a programming language c. This tool can be used to open the irrigation door if the water supply in the rice fields is below the minimum limit and will close the water gate when the water supply has reached the maximum limit, the servo motor is used to open and close the floodgates. . . The monitoring results obtained will be displayed to users in real time through the android application interface and will be stored in the form of a text file on the storage media.
A Building The Renewable Independent Energy Village by Using Portable Digester Technology in Facing the 4.0 Industrial Era (GenBIoT) Rais Rais; Arfan Haqiqi; Eko Budihartono; Rivaldo Mersis Brilianto
Elkom : Jurnal Elektronika dan Komputer Vol 14 No 1 (2021): Juli: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v14i1.267

Abstract

The waste processing and renewable energy are being the issues in the industrial 4.0 era. Kitchen and organic trash in the rural areas will become a disaster if there is no solutions. On the other hand, kitchen and organic waste have a positive side, that they can be converted into biogas which can be converted into electricity. On the Minister of Energy and Mineral Resources Regulation Number 27 of 2014, supports the development of biogas and will buy electricity from the biogas conversion. The potential for biogas that obtained by the organic trash per 1000 people is 7619.8 liters of biogas, it meas that the energy contained is still abundant and the production can still be increased if processed with a modern digester system. This research produces a tool in the form of a portable digester that named GenBIoT (IoT-based Biogas Generator) which can be used by the public to produce biogas that used by home industries or general factories. This research used the research method that similar to System Development Life Cycle (SDLC), this tool is built with several stages starting from planning analysis, designing, functional testing, data analysis and reporting of the results or implementing this tool that can be used as an alternative, as a cheap and easy source energy. This tool is based on the Internet of Things so that this tool can be monitored regarding gas pressure in the reactor, biogas volume and it will detect if there is a biogas leak so it will displayed on the system. To produce the maximum biogas composition, 50% of cow dung is required, 40% of kitchen trash and 10% of water with a ratio of 5: 4: 1 so it will produce 40 kg of biogas with a volume of methane gas (VGM) 0.11 m3 of biogas for cow dung. and 0.04 m3. The third experiment becomes the basis of future biogas production with energy produced from biogas per day of 716.39 Wh
EVALUASI EKSTRAKSI FITUR KLASIFIKASI TEKS UNTUK PENINGKATAN AKURASI KLASIFIKASI MENGGUNAKAN NAIVE BAYES Aji Priyambodo; Prihati Prihati
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 1 (2020): Juli: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v13i1.277

Abstract

Classification is one of the most widely used techniques in machine learning. Text classification is the process of classifying data according to pre-determined groups or classes. Where in most cases, text classification uses labeled training data to obtain the rules used to classify test data into predefined groups. In this study, it is proposed to use CountVectorizer for Indonesian text classification which will be compared with TF-IDF Term Weighting and its three feature levels, namely Character Level, Word Level and N-gram Level as feature extraction which is implemented together with Naive Bayes classification and the BPPPTIndToEngCorpusHalfM dataset. To compare the classification performance, this study uses 10-Fold Cross Validation and Split Data using a ratio of 90:10, while to evaluate the accuracy of the authors using the F1-Score and AUC with the hope that this study will get good accuracy results so that it can be used as a reference to be developed using another method. The F1-Score accuracy obtained in this study was 0.93 and the AUC score was 0.95.
Penerapan Teknologi E-Money Untuk Pembayaran Di SPBU Berbasis Mikrokontroler Anip Findra Yurfianto; Sumaryanto Sumaryanto; Sulartopo Sulartopo
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 2 (2020): Desember: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

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Abstract

The Madukoro gas station is one of the gas stations in Semarang where the payment and refueling systems are still done manually. In general, the manual payment and filling system has many obstacles, resulting in long queues because the service is not fast and effective, also triggering the exchange of counterfeit money because payment uses cash. The application of e-money technology based on microcontrollers is made to make a payment system using electronic money instead of cash that is integrated with fuel filling, this system aims to reduce the long queues that occur and also prevent the amount of counterfeit money circulating at gas stations and make services more fast and easy. The method used in the design of this system is to use the method of Research and Development (R&D) theory from Borg and Gill, starting with gathering information by interviewing Madukoro gas station supervisors and field surveys then designing and developing systems to overcome the problems obtained in research. The system design uses a microcontroller as a data processor that will retrieve data from a database that was previously inputted from the VB.Net application and e-money reader and outputs to instruct the pump to remove fuel from the tank in accordance with the calibration of fuel output per second. As information on the rest of the fuel in the tangka, this tool uses the help of a load sensor that will be displayed on the LCD. In general, this system will make services faster and easier, thereby reducing the number of long queues, but also to avoid the circulation of counterfeit money in gas stations Madukoro, Semarang.
S Simulasi Alarm Kebakaran Menggunakan Sensor Mq-2, Falme Sensor Berbasis Mikrokontroler Arduino Joko Mulyono; Djuniadi; Esa Apriaskar
Elkom : Jurnal Elektronika dan Komputer Vol 14 No 1 (2021): Juli: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v14i1.305

Abstract

Peristiwa kebakaran merupakan kejadian yang sangat umum terjadi, banyak faktor yang mempengaruhi, di antaranya ialah; hubung pendek arus listrik, kebocoran gas, putung rokok. Kebakaran yang terjadi pasti akan berujung pada kerugian baik itu kerugian materil maupun korban jiwa. Pencegahan sejak dini sangat diperlukan yaitu dengan penerapa sitem pendeteksi kebakaran atau alarm kebakaran. Rancangan alat pendeteksi kebakaran terdiri dari flame sensor sebagai pendeteksi api, sensor MQ-2 sebagai mendeteksi adanya asap dalam ruangan. Serta dilengkapi dengan mikrokontroler Arduino. Berdasarkan kedua sensor indikator kebakaran ini akan ditampilkan melalui LCD dan apabila terjadi kebakaran akan di iringi dengan suara peringatan dari buzzer. Uji coba sistem terlebih dahulu melalui software proteus 8 profesional dengan tujuan membangun suatu alat pendeteksi kebakaran secara otomatis menggunakan flame sensor dan sensor asap MQ2, yang dilengkapi dengan LCD LM016L berbasis mikrokontroller arduino. Hailnya mampu memberikan gambara kepada kalayak umum bagaimana sistem kerja dari alat pendeteksi kebakaran/ alarm kebakaran yang dapat di representasikan memalui software proteus.
PEMANFAATAN GLOBAL POSITIONING SYSTEM (GPS) PADA PRESENSI KARYAWAN BERBASIS SMARTPHONE Andre Setya Yudhanto; Migunani
Elkom : Jurnal Elektronika dan Komputer Vol 13 No 2 (2020): Desember: Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

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Abstract

The development of technology allows one to obtain other people's spatial position data. One mobile technology that utilizes spatial data as a supported factor is location-based services. The large number of employees at the PT.XYZ causes the presence of a controlled process to be under control, and even tends to be questioned. Because it takes a GPS-based presence system on android that is expected to be a solution of the problems that occur at this time. The system development method used is a six-step R&D method, consisting of: Research and information gathering, Planning, Development of initial product forms, initial field testing, major product revisions, main field testing. The final result is the prototype of the Ganesha Employee Presence System Operations. The test results on the system shows the employee attendance system can run on the android platform. The system only responds to presence based on the position of the employee's coordinates with office coordinates. Besides checking the presence process is also based on devices that have been approved in the system.

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