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InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan
Published by Universitas Islam Sumatera Utara
ISSN : 25407597     EISSN : 25407600     DOI : -
Core Subject : Science,
Computer Science & IT
Merupakan jurnal yang dikelola oleh program studi teknik informatika Universitas Islam Sumatera Utara (UISU), jurnal ini membahas ilmu dibidang Informatika dan Teknologi jaringan, sebagai wadah untuk menuangkan hasil penelitian baik secara konseptual maupun teknis yang berkaitan dengan ilmu informatika. InfoTekjar terbit 2 kali dalam setahun yaitu pada bulan maret dan september, terbitan pertama bulan september 2016. Artikel yang masuk akan diterima oleh editor untuk kemudian diteruskan ke editor bagian dan diteruskan lagi ke reviewer untuk di review artikel nya. Waktu review maksimal dilakukan selama 4 minggu.
Arjuna Subject : -
Articles 331 Documents
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Segmentasi Jaringan dengan VLAN dan Router Sub Interface Abdurrahman, Habibi
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 7, No 1 (2022): InfoTekJar September
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v7i1.9639

Abstract

Segmentasi jaringan sangat penting dilakukan guna menghindari banyaknya broadcast dalam sauatu jaringan yang besar. Broadcast  ini bisa menyebabkan collision (tabrakan data) yang menyebabkan performa jaringan terganggu. Untuk mengatasi hal ini bisa dengan menambahkan router pada jaringan untuk mensegmentasi suatu jaringan. Namun jaringan yang relatif besar akan juga membutuhkan penggunaan router yang banyak pula,hal ini sangat berpengaruh pada dana yang harus dikeluarkan untuk membeli router – router tersebut dalam jumlah yang banyak. Untuk menghindari hal tersebut kita bisa memanfaatkan VLAN pada Switch dan Sub interface pada Router. VLAN dapat mengsegmentasi Jaringan Secara logical, dan sub interface router dapat memanfaatkan sebuah interface router menjadi beberapa sub interface secara logical. Hal ini sangat bermanfaat untuk menunjang performa suatu jaringan komputer. Paper ini akan mensimulasikan pemanfaatan VLAN dan Sub Interface Router pada suatu jaringan dengan sebuah simulator jaringan (cisco Packet Tracer Student).
Prediksi Penyakit Kencing Manis (Diabetes Mellitus) Menggunakan Algoritma Klasifikasi Voting Feature Intervals 5 Hasibuan, Eka Hayana
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 8, No 1 (2023): InfoTekJar September
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v8i1.9644

Abstract

Penyakit Diabetes Mellitus (DM) merupakan penyakit berbahaya yang menjadi penyebab kematian terbesar keempat di dunia. Penyandang DM terus meningkat sekitar 7 juta jiwa setiap tahun. Peningkatan tersebut disebabkan oleh perubahan pola hidup sehari-hari seperti kurangnya aktivitas, kebiasaan mengkonsumsi makanan tinggi lemak, karbohidrat dan faktor keturunan. Akibat kebiasaan tersebut menyebabkan kadar gula dalam darah meningkat sehingga menimbulkan komplikasi diantaranya adalah penyakit jantung, ginjal, hati, dan gangguan pada pencernaan yaitu dyspepsia.Penyakit dyspepsia memiliki gejala yang mirip dengan DM sehingga pada penelitian ini dijadikan sebagai penyakit untuk diagnose pembanding. Penerapan algoritme VFI 5 pada data pasien mampu memberikan hasil prediksi yang baik dengan menghasilkan akurasi rata-rata 90% dilakukan berdasarkan validasi silang dengan 3-fold. Hasil dari selang pelatihan pada algoritme VFI5 5 menyatakan bahwa penyakit DM dan dyspepsia memiliki gejala yang mirip, sehingga bagi orang awam sulit untuk membedakan kedua penyakit tersebut tanpa melakukan uji laboratorium.
Studi Penyisipan Pesan Teks Terenkripsi Dalam Citra Digital Dengan Menggunakan Algoritma Vigenere Cipher dan Steganografi Least Significant Bit Ihsan, Aulia
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 7, No 2 (2023): Infotekjar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v7i2.9527

Abstract

Pesan merupakan salah satu media komunikasi antar satu individu ke individu lain. Pesan memiliki keragaman, mulai dari pesan yang bersifat umum dan pesan yang bersifat rahasia. Kerahasiaan yang terdapat dalam suatu pesan merupakan salah satu hal yang harus dijaga keamanannya sehingga pihak lain yang tidak memiliki otoritas untuk mengetahui kerahasiaan tersebut tidak dapat membukanya. Maka dari itu, muncul suatu teknik untuk mengenkripsi suatu pesan dengan algoritma kriptografi vigenere cipher. Suatu algoritma yang sulit untuk ditebak plaintextnya bahkan dikriptanalisis ciphertextnya. Tak hanya itu, pesan (plaintext) yang telah dienkripsi dengan vigenere cipher, ciphertextnya akan disisip ke dalam citra digital dengan metode steganografi LSB sehingga pesan rahasia (plaintext) akan tetap secure.
Attedance System with Face Recognition Based on Raspberry Pi using Viola Jones Algorithm Hakim, Arief Rahman
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 8, No 2 (2024): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v8i2.9898

Abstract

In the process of recording attendance at the company, there are many ways that can be used, such as using an attendance card, employee ID (Identity) and fingerprints. However, the existing methods still have the potential for fraud to occur, such as entrusting attendance cards or ID cards to other co-workers, manipulating time on attendance cards, doubling fingerprints etc., so we need another more precise method such as face recognition. This method was chosen because it is considered the most appropriate and very effective than other methods. This study builds a presence system using Raspberry Pi as an image processing controller, a camera to capture facial images and an ultrasonic sensor to detect the presence or absence of people, then the system will perform face recognition using Viola Jones algorithm, followed by validation where the input data will be matched with the data contained in the database and the resulting output in the form of attendance records used for recapitulation. After testing, accurate detection results were obtained when taking the right employee face data that with perpendicular position to the camera so that attendance can be recorded
Analisis Keamanan pada Cloud Computing Napitupulu, Charles Josua
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 7, No 2 (2023): Infotekjar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v7i2.9634

Abstract

Cloud Computing sudah menjadi salah satu tren baru di era internet ini. Clouds dimaksudkan sebagai sebuah Data Center yang letaknya bisa dimana saja sebagai tempat menyimpan dan memproses data, baik data perorangan ataupun profesional. Umumnya faktor kemananan menjadi kekhawatiran utama pengguna karena semua data yang berada di clouds dapat diakses siapa saja dan dari mana saja selama terkoneksi di internet. Paper ini akan memaparkan analisis keamanan yang diterapkan dan resiko yang dihadapi teknologi cloud computing ini.
Teknologi Virtual Mesin Menggunakan Oracle VM VirtualBox 4.1.14 Pada Ujian Online Ichsan, Aulia
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 7, No 1 (2022): InfoTekJar September
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v7i1.9568

Abstract

Penggunaan Teknologi virtual mesin dengan virtualbox pada ujian online untuk server lokal yang terintegrasi dengan server pusat. Integrasi server dengan perbedaan sistem operasi antara server lokal dengan server pusat dapat dipenuhi dengan menggunakan teknologi virtualbox, dengan teknologi ini sistem operasi yang telah berjalan diserver lokal dapat berdampingan dengan sistem operasi server pusat. Virtualbox sebagai perangkat lunak dapat menjalankan beberapa sistem operasi dalam waktu bersamaan antara sistem operasi tambahan dengan sistem operasi induk.
IoT-Based Smart Waste System Using Blynk Application Apdilah, Dicky
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 8, No 2 (2024): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v8i2.9905

Abstract

The problem of manual trash cans causes a lack of hygiene for users and scattered garbage due to the volume of garbage bins that have accumulated. Paper and tissue waste is the dominant waste in the campus area and is highly flammable. Due to the lack of manual trash cans, innovation ideas were obtained to make automatic room trash cans and can monitor waste capacity and detect smoke using smartphone applications as the application of the Internet of Things (IoT). The IoT-based smart trash can uses the NodeMCU 8266 as its main control and ultrasonic sensors to detect the distance of the garbage capacity and the distance of the object. Servo motor as a drive for the garbage lid automatically. MQ-2 smoke sensor as a smoke marker, a warning sound through the Buzzer and also the Wifi ESP 8266 module so that it can send notifications via the internet network. Trash cans can be monitored using the Blynk application. The results obtained in this study are that the trash can cover will automatically open when the object is 10cm to 1cm from the trash can. The results of the sensor detection of the full capacity level of the waste are when the garbage is 5cm to 1cm from the sensor. Furthermore, the results of the detection of the MQ-2 sensor, when the smoke capacity exceeds 325ppm, the buzzer will turn on and the system sends a notification message using a Blynk to the cleaning staff's smartphone.
Design of Online Office Employee Attendance System on Website Based on HTML and CSS Ramadhani, Fanny; Satria, Andy
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 8, No 2 (2024): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v8i2.9907

Abstract

The continuous development of technology makes everything sophisticated and easy, such as attendance that can be accessed online. In this study, an online office employee attendance system was designed on an HTML and CSS-based website, where on this website there is a time and map that can show the whereabouts of employees and what time they are absent so that it is expected to prevent fraudulent attendance such as entrusting attendance. The purpose of this study is to help the office with attendance problems so that the office can easily control all employees in terms of attendance and all incoming data will be neatly arranged so that the data will be easy to summarize. This study uses a method of collecting data from observation as well as designing and building. So that with the observation method used, it can be used to find out and obtain data that will be used in the design and building stage of this website. This website itself is designed using the HTML programming language as the initial stage of the website page framework and uses the CSS programming language to make the layout of the website more attractive.
Decision Support System for Selecting Optimal Coconut Varieties for Coconut Milk Production: Integration of Analytic Hierarchy Process and Simple Additive Weighting Methods Hikam, Muhammad; Sari, Indah Purnama
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 8, No 2 (2024): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v8i2.9703

Abstract

Selection of optimal coconut varieties for coconut milk production is a crucial step in the food industry, considering that the quality and quantity of coconut milk are greatly influenced by the type of coconut used. This study aims to determine the best coconut varieties for coconut milk production by integrating two multicriteria decision-making methods, namely the Analytic Hierarchy Process (AHP) and Simple Additive Weighting (SAW). The AHP method is used to determine the weight of each influential criterion, such as oil content, taste, price, and availability. Meanwhile, the SAW method is applied to rank various coconut varieties based on the weight of the criteria that have been obtained. The data used in this study were collected from various sources, including scientific literature, as well as field observation data. The results of the analysis indicate that certain coconut varieties have significant advantages in terms of quality and efficiency of coconut milk production. The coconut varieties selected through the combined AHP and SAW methods are expected to provide practical guidance for coconut milk producers in selecting optimal coconut varieties, so that they can improve the quality of the coconut milk produced. Thus, this study provides an important contribution in the field of agribusiness, especially in the selection of coconut varieties for coconut milk production, as well as implementing the use of AHP and SAW methods in complex and multi-criteria decision making.
Design and Construction of a Website-Based Bus Ticket Booking Information System Ichsan, Aulia
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 8, No 2 (2024): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v8i2.9906

Abstract

In the business world, generally users and owners of companies need something innovative to help support performance and facilitate the use or search for product data. The presence of this website-based internet will make it easier for all groups to access all forms of information, including utilizing the media to be able to connect the relationship between customers and the company's products, namely one of which is ordering bus tickets. Based on the various conveniences and uses of the internet, a "Utilization of Information Systems in Ordering and Digitizing Bus Tickets Based on Websites" was developed. This system is made with PHP, MySQL and Bootstrap software. This Information System is designed to provide convenience in terms of ticket ordering services and obtaining other information needed by customers

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