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Erick Irawadi Alwi; Siska Anraeni

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Crime and criminality are increasing by utilizing electronic and digital devices, such as CCTV (closed circuit television) security devices, smartphones, and other electronic devices that have video features, record and store perpetrator data. CCTV recording files are sometimes unclear, so video forensic software is needed to clarify the object so that it can be used as evidence in court. The method used in this research is the National Institute of Justice (NIJ) method and enhancement techniques to clarify the image frame objects of CCTV video recordings using Amped Five forensic image and video tools. The results of the analysis of the evidence concluded that they had succeeded in identifying the vehicle number plate of the alleged perpetrator by carrying out an enhancement process (improving the quality) of the image object. The enhancement process is carried out by utilizing the optical debluring feature of the amped five forensic video software, in settings by increasing the size from 1 to 2 and increasing the noise value from 0.0100 to 0.6310 so it looks clearer than before.

Rizal, Adetya Rizal Permana Putra; Rizal, Adetya Rizal Permana Putra; Jati Sasongko Wibowo

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Pada tahun 2024, Indonesia akan menyelenggarakan pemilihan umum serentak yang meliputi pemilihan presiden dan pemilihan wakil rakyat di seluruh Indonesia. Masyarakat menanggapi kejadian ini dengan perasaan campur aduk, membagikan pemikirannya di situs media sosial seperti Twitter. Penelitian analisis sentimen calon presiden Indonesia tahun 2024 dilakukan terkait peristiwa ini. Sebanyak 1458 tweet digunakan dalam penelitian ini. Dengan 40,31% responden menyatakan sikap positif dan 43,46% menyatakan sentimen negatif, temuan analisis menunjukkan keseimbangan antara kedua sentimen tersebut. Menggunakan frasa "calon presiden," program Python di situs web Google Colab mengambil data twitter. Pendekatan K-Nearest Neighbor digunakan dalam proses klasifikasi. Selain itu data latih dibagi 6 : 4. 40% data uji dan 60% data latih. Nilai evaluasi yang diperoleh dari pengujian model dengan teknik K-Nearest Neighbor adalah akurasi sebesar 90,95%, presisi sebesar 62,17%, recall sebesar 62,33%, dan F-Measure sebesar 61,87%.

Zaenurrohman Zaenurrohman; sumardiono, arif; Erna Alimudin

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Indonesia merupakan negara dengan iklim tropis. Salah satu musim di Indonesia adalah musim hujan. Curah hujan yang sangat tinggi dapat menimbulkan bencana banjir di berbagai wilayah Indonesia yang menimbulkan kerugian akhir maupun korban jiwa. Sistem peringatan dini bencana banjir menjadi salah satu solusi agar masyarakat Indonesia dapat mempersiapkan diri sejak dini ketika terjadi bencana. Penelitian sebelumnya telah membuat sistem bencana banjir dengan menggunakan GSM 900, namun permasalahannya ada beberapa lokasi penempatan sistem bencana banjir yang kurang sinyal GSM atau tidak ada sinyal GSM sama sekali. ,. Nilai RSSI terkecil yang diperoleh sebesar -87 dBm dan nilai tertinggi sebesar -128 dBm. Sedangkan pada jarak Non Line of Sight, Lora hanya mampu menjangkau jarak 520 meter dengan nilai RSSI terkecil - 128 dan nilai RSSI terbesar yaitu -147 dBm. Hal ini membuktikan bahwa dibutuhkan banyak node saat menggunakan Lora karena Lora memiliki keterbatasan jarak untuk komunikasi transmisi data

Fersa Julian Toni; Khana Wijaya; Ahmad Barnianto

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

PT. Epsindo Jaya Pratama is a company engaged in manufacturing. This research contains web- based financial informasi processing applications, because they can help make it easier to work on. The problems that occurred at PT. Epsindo Jaya Pratama is currently still conventional or still manual, that is, it still uses the Ms. Excel. This study aims to help make it easier to input financial informasi for PT. Epsindo Jaya Pratama, by submitting suggestions for creating a web- based financial informasi processing application, it is hoped that later financial informasi processing will be easier, faster and more practical. In this financial informasi processing application, it is proposed to use the Xampp program with PHP and MySQL databases which will make workmanship easier in processing financial reports.

Misda Sari; Misda Sari; Ariansyah Ariansyah; Iwan Setiawan

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Along with the rapid development of technology and knowledge at this time makes information a very important role in order to achieve goals the development of computer technology today has grown rapidly, this encourages the creation of the need for the application of increasingly sophisticated computer technology. Design and build a kiosk rental information system at the web-based traditional market of Sumaja Makmur Village aims to facilitate the process of kiosk rental payment transactions. The situation faced by the traditional market of Sumaja Makmur Village is that the process of stall rental transactions is still carried out manually, so it takes time because traders have to come to the market chairman's office to make stall rental transactions. The research method used is a qualitative descriptive method, while the system development method uses the waterfall method.

M.Willy Riandi; Ariansyah Ariansyah; Andi Christian; M.Willy Riandi; Ariansyah Ariansyah +1 more

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Toko Eldi Komputer merupakan sebuah usaha yang bergerak dalam bidang penjualan produk alat komputer . Sampai saat ini Toko Eldi Komputer hanya menggunakan sistem penjualan dan transaksi secara manual, yang dalam hal ini memerlukan terobosan baru untuk mengikuti perkembangan teknologi yang sedang berkembang di era sekarang ini karena pada dasarnya hampir segala usia menuntut sesuatu yang praktis dan lebih mudah. Dengan melihat beberapa permasalahan yang ada, peneliti mencoba merancang dan membangun sistem informasi penjualan barang pada Toko Eldi Komputer berbasis Web, maka dari itu, penulis memilih topik ini untuk skripsi yang berjudul “Sistem Informasi Penjualan Berbasis Web Pada Toko Eldi Komputer Dengan Metode Pengembangan Systems Development Life Cycle (SDLC)” yang tentunya menyediakan kecepatan dan kemudahan masyarakat untuk melakukan transaksi. Sehingga dapat memberikan kemudahan bagi Toko Eldi Komputer untuk mempromosikan produk, harga produk dan memudahkan masyarakat dalam membeli produk dan mencari tau harga produk. Sistem Informasi Penjualan Berbasis Web Toko Eldi Komputer dibangun menggunkan UML (Unifield Modelling Language) sebagai mode perancangannya dan Systems Development Life Cycle (SDLC) sebagai metode pengembangan sistem.

Tika Tika; Khana Wijaya; Nur Aini H

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Along with the development of technology, the use of computers as a tool really needs to be used, especially in the health sector. The Prabumulih City General Hospital is the only hospital owned by the Prabumulih City Government and is a first-level referral. The patient registration process at the Prabumulih City Hospital is still direct, by means of the patient/patient's guardian coming directly to the health service facility, then the patient is given a registration queue number, then the patient waits for a call according to the queue number, after the queue number is called, the officer will ask the type of patient new or old, poly patient purposes, outpatient or inpatient care, private payments or BPJS, after that the officer enters patient data to create a queue number for patient care in order to get health services. In this regard, it is necessary to have an application system for patient administration so that new patients can register online through the internet network, making it easy for old patients to check personal data, view doctor schedules, take queues and others.

Umi Sa'adah; Umi Sa'adah; , Nur Aini H; Nurmayanti Nurmayanti

Jurnal Elektronika dan Komputer 2024 Vol. 17 (1) STEKOM PRESS

Based on the observations that have been made at the Arri’ayah Islamic Boarding School in Lembak Village, Lembak District,Muara Enim Regency, the problems found are. Teaching and learning activities that are less interactive, in learning the law of tajwid in hidayatus sibyan’s book, students are still difficlut to understandt the material and there needs to be other alternatives to help students understand the materia being studied, one alternative is the use of technology for education, namely by using learning media. Especially now that may students are not interested in learning to use books, they reason that learning to use book is boring which ultimately impacts on students’ lack of understanding of the material that has been presend, tharefore that researcher designed learning media for the law of tajwid hidayatus sibyan, so that students are more interested when study, in collecting data researchers used descriptive qualitativ methods including conducting interviews, direct observation, and literature study and are built using UML (Unifield Modelling Language).

Sriani; Lubis, Aidil Halim; Harahap, Yunus Fadillah

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

The global economic recession is a global economic downturn that affects the domestic economies of countries in the world. The stronger the economic dependence of one country on the global economy, the faster a recession will occur in that country. In 2020 the country of Indonesia and even the world are exposed to the COVID-19 virus which has an impact on the country's economic growth, even the world economy. This is the trigger for an economic recession. This has led to many different public perspectives on the occurrence of a global economic recession whose opinions or reactions are expressed on social media Youtube. The data was obtained by crawling techniques from social media Youtube with a total of 500 comments used. The data is then labeled (class) with a lexicon-based method with an Indonesian language dictionary. From the labeling results, it was obtained 185 positive labeled data (37%) and 315 negative opinions (63%). The data preprocessing stage is carried out in preparation for the data to be processed for sentiment analysis. Of the many opinions obtained, an analysis of public sentiment regarding the 2023 global economic recession will be carried out using the Naïve Bayes classification algorithm. This study also applied the TF-IDF word weighting method with the n-gram feature used, namely bigram (n=1). The system will be evaluated using a confusion matrix. The implementation results show a prediction model with a total of 500 opinion data with a comparison of training data and test data of 9:1, producing an accuracy value of 84.00%, a precision value of 75.00%, a recall of 30.00%, and an f1-score of 42.86%. The performance of the system model built in this study can be said to be good.

Benrad Edwin Simanjuntak; Berman Pandapotan Panjaitan

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

Fresh or rotten meat is a different matter. Damage to the meat will produce a distorted odor, mucus, discoloration in certain areas and an undesirable taste due to the formation of metabolism. The odor is described as fishy, ​​rotten, containing sulfur and like ammonia. In this research, the author discusses a system for identifying the condition of meat based on the odor that arises from meat in three states, namely odorless odor, fresh odor and rotten odor. Fresh odor is taken from meat odor that is within 1 (one) day after being cut and rotten odor is taken from meat odor that is on the 2nd day. In this study, the test sample meat was placed in a closed container at room temperature for 2 days. Data was taken for 2 days from meat odors of known type. The sensor array consists of eight sensors made of conducting polymer material. The polymer materials used are silicon DC-200, PEG-20M, 0V-101, 0V-17, DEGA, PEG-200, PEG-1540, and PEG-6000 mixed with Carbon black. A two-layer artificial neural net consisting of eight input nodes and three output neurons, was trained using the Kohonen algorithm with a training process that was completed in 4 iterations. From 20 tests, 10 times exposure to steam from fresh odor and 10 times exposure to steam from rotten odor, carried out alternately, it was found that the system failed twice. Thus, the system success percentage reached 95 percent.

kurnialensya; kurnialensya; Yuli Fitrianto

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

In buying a laptop, you need to look at the specifications and standards that are tailored to your needs and requirements. Some of the standards and requirements include looking at several aspects of the criteria including the price of the laptop, RAM (random access memory), processor, hard drive capacity, screen size, VGA (video graphic adapter), battery power, weight, length of warranty, availability of spare parts, service range center. The fuzzy method is a method that makes it easy to find a value that is still vague and also linguistic, the use of the sample additive weighting (SAW) method is used to assist calculations in supporting decision making. The choice of using the SAW method is simpler in calculations, but the results of the calculations are accurate. From the results of calculations using the SAW method, it is calculated that between laptop 1 to laptop 7 with a price preference weight of 30, RAM 10, processor 10, hard disk capacity 10, screen size 5, VGA 3 (video graphic adapter), battery power 7, weight 5 , length of warranty 10, availability of spare parts 5, distance to service center 5, the highest order starts from laptop 1 with a total value of 18.4, laptop 7 with a value of 16.6, laptop 6 with a value of 13.6, laptop 5 with a value of 13.5, laptop 3 with a value of 13.2, laptop 4 with a value of 11.2, laptop 2 with a value of 8.9. The results of the assessment can change according to the needs of laptop buyers, who are more concerned with which criterion has the most important weight.

Unang Achlison; Joseph Teguh Santoso; Khoirur Rozikin; Fujiama Diapoldo

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

Kendaraan listrik mulai banyak digunakan di kalangan kendaraan konvensional. Penggunaan baterai sangat penting bagi kendaraan listrik dan baterai sebagai sumber energinya. Proses pengisian baterai dapat dilakukan dengan menjaga arus tetap konstan atau menjaga tegangan tetap konstan pada saat pengisian baterai. Berdasarkan analisis hasil pengukuran dapat disimpulkan bahwa (1) kapasitas baterai dapat dicapai dengan menggunakan tegangan konstan dan arus besar, atau arus konstan dan tegangan besar, (2) pengisian baterai akan mencapai kapasitas baterai lebih cepat bila menggunakan besar saat ini.

Indra Ava Dianta; Dwi Setiawan; Thelsi Seubelan

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

In the era of the new normal, maintaining health and hygiene has become critically important, especially in preventing the spread of viruses. One effective way to achieve this is through regular handwashing. Schools are particularly susceptible to the transmission of viruses and bacteria, which is why it's crucial to implement an effective hand sanitizer system. However, the use of conventional hand sanitizer bottles that require manual pressing or opening still carries the risk of virus transmission. Therefore, there is a need for the development of an automatic hand sanitizer system to reduce the risk of virus transmission. This research aims to design an Arduino-based automatic hand sanitizer system at SD Kanisius Genuk. The automatic hand sanitizer system utilizes an ultrasonic sensor to detect the distance between an object, in this case, a hand, and the hand sanitizer. When the hand approaches within a certain distance, the hand sanitizer fluid is dispensed automatically through a mini 5V pump. Additionally, the device features a liquid level sensor that provides information about the hand sanitizer fluid level via an LCD screen. The theoretical significance of this research lies in enriching knowledge about programming using the C++ programming language in designing an automatic hand sanitizer system. Furthermore, the research is expected to enhance creativity, innovation, and knowledge development in response to technological advancements. The practical benefits of this research include facilitating students, teachers, and guests at SD Kanisius Genuk in using the automatic hand sanitizer, thus reducing the risk of virus transmission. Additionally, this research can serve as a reference for universities and contribute to the field of human resource management knowledge.

Munifah; Munifah; Miftahurrohman; Rifadhiyah Hikmah

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

BMT Amanah Weleri is a sharia financial institution engaged in service companies. BMT Amanah began operating in 2006 which is located in Kec. Weleri, Kab. Kendal. In its activities, BMT Amanah Weleri every month cannot be separated from making Cash Flow reports, to support it, a good computerized system is needed for the smooth performance of BMT Amanah. Based on surveys and observations of the BMT Amanah Weleri Cash Flow Information System, financial reporting still uses a manual system so it takes longer to process the recording, this is felt to be less effective because there is no adequate information system. where each company's cash receipts will be recorded by the finance department which will later be recapitulated in the annual report and juxtaposed with other recording results such as cash disbursements. With a cash flow information system at BMT Amanah Weleri, it makes the process of recording and inputting data easier and minimizes errors. The existence of an information system is also able to produce cash flow reports more quickly, precisely and accurately.

Milia Rastiwi; Andi Christian; Khana Wijaya

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

This research focuses on selling android-based coffee powder to disseminate semende specialty coffee. The purpose of this study is to design a sales application that has not been optimal so far and sales of cemente coffee powder have increased more than before. This is the background for this research. In collecting data, researchers used qualitative descriptive methods including conducting interviews, observation and literature study. So that data is obtained that there is no available access that makes it easy for UMKM Ms. Nurbaiti's to market this special cement coffee powder. The results of this study are in the form of an Android-based application design for the sale of original cement coffee powder for UMKM Ms. Nurbaiti's s which is expected to help with the problems that occur. Using an Android-based sales information system can help UMKM owners and buyers sell and buy coffee powder quickly, for the system development method using the RAD (Rapid Application Development) method.

Fitrah Athriah; Suhartini; Iwan Setiawan

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

Fungsi penting perpustakaan sebagai fasilitas penunjang universitas adalah menyediakan bahan bacaan dan sumber belajar tambahan bagi mahasiswa. Perpustakaan merupakan bangunan penting yang harus ada di setiap lembaga pendidikan. Perpustakaan adalah sumber daya yang luar biasa untuk memperluas pemikiran mahasiswa dan profesor. Hal ini harus lebih diperhatikan oleh pihak universitas agar dapat memberikan pelayanan yang sebaik-baiknya. Menggunakan sistem pengolahan data yang terkomputerisasi adalah salah satu pilihan untuk membuat segala sesuatunya berjalan lebih lancar dan efisien. Dalam skenario ini, teknik Spiral digunakan untuk membuat sistem informasi, sedangkan metode penelitian deskriptif kualitatif digunakan untuk mengumpulkan data untuk sistem tersebut. Model Spiral adalah pendekatan hibrid dalam pengembangan perangkat lunak yang mengambil fitur terbaik dari Model Prototyping dan Model waterfall dan menambahkan penekanan pada penilaian risiko di setiap tingkat proses.

Areyanda Listianto; Suhartini; Fajriyah; Areyanda Listianto; Suhartini +1 more

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

Serasan Jaya 3 Building Materials Wood Depot is a business engaged in the sale of building material products, especially wood. Until now the Serasan Jaya 3 Building Materials Timber Depot only uses a manual sales and transaction system, which in this case requires a new breakthrough to keep up with technological developments that are developing in the current era because basically almost all ages demand something practical and easier. By looking at some of the existing problems, the researcher tries to design and build an information system for selling goods at the Serasan Jaya 3 Building Materials Wood Depot based on Android, therefore, the author chose this topic for a thesis entitled "Android-Based Sales Information System at Wood Materials Depot Serasan Jaya 3 Building With the Extreme Programming Development Method” which of course provides speed and convenience for the public to make transactions using mobile phones or mobile-based communication devices such as smartphones, tablets, gadgets, and so on. So that it can make it easy for the Serasan Jaya 3 Building Materials Timber Depot to promote products, product prices and make it easier for people to buy products and find out the prices of building material products from mobile devices. Android-Based Sales Information System at the Serasan Jaya 3 Building Materials Wood Depot was built using UML (Unifield Modeling Language) as its design mode and Extreme Programming as a system development method..

Muhammad Wilian Harlangga; Ariansyah; Andi Christian

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

The Majasari Village Official is one of the Government institutions located in the Majasari sub- district. The way public administration services are currently carried out is stil running with a manual system, which stil uses Microsoft Word and Excel document processing applications or notebooks in public administration services. So that in the public service process errors often occur and the reporting process and report results are late. This application was built using a web with the PHP programming language and Mysql informasi base, and to print the repost using a pdf component. Based on the test results, it can be concluded that this system is able to provide fast and accurate services because it is well computerized and easy to use.

Fadillah, Sahla; Andi Christian; Ariansyah

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

Achievement ability is a pinnacle of the learning process, at this stage students prove the success of learning at school SD Negeri 17 Gunung Megang. However, as the learning process progresses, several things occur that can affect this success. One of them is the problem of declining achievement scores, both academic and non-academic scores. The value of achievement that decreases or increases can be influenced by various factors. All problems need to be resolved so that the school can find a solution to increase or maintain the value of student achievement for the next period. Based on these problems, a Decision Support System is needed that can help the school in seeing the effect of student achievement. The method used in making decisions on the effect of student achievement is the Analytical Hierarchy Process (AHP) method. AHP can be compiled based on a hierarchical model that is made together with decision makers in order to provide solutions through the highest weight value in each criterion and alternative that is served. The decision support system with the AHP method can determine the priority weight of the criteria.

Clara Mariska Mardianto; Clara Mariska Mardianto; Andi Christian; Rishi Suparianto

Jurnal Elektronika dan Komputer 2023 Vol. 16 (2) STEKOM PRESS

Public services in several districts have not utilized online information and communication technology. So that the service applicant has to go back and forth to the sub-district which takes a very long time. For this reason, with the development of the modern era, employees should provide good service to the community, such as running community service programs using applications. This research aims to create Community Public Service Application programs and to help people carry out services using Web-based Public Service Administration service applications in South Prabumulih District. This research uses descriptive research type. The type of data taken is quantitative data. Sources of data in this study using primary data sources and secondary data sources. Data collection techniques in this study were carried out by observation, interviews and literature studies. The system development method used in this research is the Water Fall Method, and the System Design Auxiliary Tool.