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Informatika
Published by Universitas Labuhanbatu
ISSN : 23032863     EISSN : 26151855     DOI : 10.36987
Core Subject : Science, Education, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Library & Information Science Other
INFORMATIKA : Jurnal Ilmiah Fakultas Sains & Teknologi Universitas Labuhanbatu diterbitkan oleh Universitas Labuhanbatu melalui Lembaga Penelitian dan Pengabdian Masyarakat, dimaksudkan sebagai media pertukaran informasi dan karya ilmiah antara staf pengajar, alumni, mahasiswa dan masyarakat pada umumnya yang terbit tiga kali dalam setahun (Januari-Mei-September), yang mulai awal terbit sejak tahun 2013.
Arjuna Subject : Ilmu Komputer (semua kategori) - Aplikasi Ilmu Komputer
Articles 7 Documents
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Search results for , issue "Vol 11, No 1 (2023): INFOMATIKA" : 7 Documents clear
Pembuatan Aplikasi Data Mining Untuk Memperediksi Masa Studi Mahasiswa Menggunakan Algoritma Naive Bayes Victor Tarigan
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3847

Abstract

Data mining is a series of processes to obtain additional value information that is not known manually from a database. Data mining also manages experience or even mistakes in the past to improve the quality of the analysis model, one of which is the learning ability of data mining techniques, namely classification. Class is a learning task that is a new object into one of the class labels or categories on the old object that has been previously defined. This classification uses one method of data mining algorithm that is Naive Bayes.Naive Bayes algorithm works based on a certain distance between two objects by setting the value of k. The value of k is a parameter to determine the distance between the new object to the old object.By using the data mining technique, the university can obtain student academic data, namely the Achievement Index (IP) to predict the student's study period.In this data mining application consists of data testing and data training with NIM input.PHP and the database used is MySQL.The results of this data mining application this system can predict the results of the classification of student study period based on GPA 4 first semester, the average value of high school time, and grades in high school.
Perancangan Website Iklan Radio Kota Salatiga menggunakan Framework Laravel Leo Candra Gunawan Wicaksono; Eko Sediyono
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3442

Abstract

Technology has entered any field and has an important role to make every work process faster and more efficient. Thus, the admin application web system and radio advertisement recording are needed to assist in the process of recording, printing and depositing radio advertisements. This research application web system will be created using the Laravel framework and the PHP programming language. Laravel is a php-based web application framework that uses easy-to-understand models, views and controllers. The prototype method is a method that will provide an initial picture or concept as an experimental design that can make it easier for researchers to find out how the system can run well.
Alat Pendeteksi Level Air Otomatis Pada Tangki Air Wudhu Masjid Ulil Albab UNSRAT Berbasis Mikrokontroller Rendy Syahputra
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3848

Abstract

The era of globalization as it is today, the development of technology is growing so rapidly.However, this is not coupled with the technology in the water storage tank in the mosque that still uses manual water measurement, which results in the end of wudu water without realizing it so that the congregation has difficulty wudu water. After seeing the problem, then designed a tool to determine the water level in the water tank that can determine the amount of water volume in the water storage tank and can provide a warning in the form of an alarm. The results of testing the water level detector on the ablution water storage tank at ulil albab mosque based on this microcontroller are able to work well, this water measurement uses ultrasonic sensors. and is able to display the indicator of the amount of water volume, then the buzzer will sound when the water in the storage tankimmediately runs out.
Sistem Aplikasi Surat Masuk dan Surat Keluar Berbasis Web pada Dinas Kehutanan Provinsi Sumatera Utara Wahyuni Fithratul Zalmi
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3844

Abstract

The use of electronic media is expected to help the archive managers to manage their archives effectively and efficiently. By using electronic media in the management of Archives will be obtained the benefits of speed, convenience and savings. The purpose of speed here is through the use of electronic media, the process of searching, discovering, distributing and processing data is carried out in a short time. The purpose of the ease of use of electronic media is the ease in terms of search, distribution and processing of data, which is efficient in the use of electronic media that can reduce energy, mind and save costs in managing archives. With these reasons, at present many organizations / agencies that use electronic media in the management of archives, ranging from simple to sophisticated. At the Forestry Service of North Sumatera Provinceexperience difficulties in the management of receiving and storing various letters, reports, forms and so on. The administration section is one of the parts of the Forestry Service of North Sumatra province of Batujajar. This work Unit manages the archives as the end result of administrative activities. One type of archive that is managed is the Mail Files. This file has not been done electronically.
Implementasi Algoritma Exclusive OR (XOR) Dalam Pengembangan Aplikasi Chat Berbasis Android Pujo Hari Saputro
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3868

Abstract

Android is an operating system that is widely used in this modern era. This is inseparable from Android features that are increasingly being developed to facilitate the user experience. Along with these developments, security problems also arise when exchanging information or data. Security is an important aspect of the development of modern information technology era, so the development of the branch of science that studies data security or known as cryptography. This study aims to design and build a secure chat application based on Android and implement the XOR algorithm. This algorithm is used to secure information so that it cannot be read before it reaches the recipient. The calculation of this algorithm generates a random message (ciphertext) that can only be read by the recipient. The result of this search is a chat application in which there is a security feature where the recipient must enter the same key as the sender in order for the message to be read. Testing of this application is done by sending a message then entering the same key between sender and receiver.
Penerapan Market Basket Analysis Dengan Metode Apriori Pada WFZ Book Store Wahyuni Fithratul Zalmi
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3845

Abstract

WFZ Book Store is a Book Store that provides various types of books. The sales process is done offline where the costumer has to visit the store to make a purchase. The process of recording data using the ledger makes it difficult for WFZ Book Store to make sales reports because it has to collect transaction data in the ledger, it causes difficulties to know the available Book stock because it has to check every sales transaction in the ledger. WFZ Book Store requires an information system that can manage book sales data onlineagarcostumers can easily view book data, stockand book online reservations. With the wfz Book Store information system can facilitate the customer in managing book data and store customer data that has made transactions also WFZ Book Store does not find it difficult to provide book purchase transaction data for the customer, so that the data can be used for book recommendations by finding the set of data that most often appear in a data set. Datamining techniques have been widely used to overcome existing problems, one of which is the application of a-priori algorithms to find association rules formed from book purchase transaction datasets. So it will be known the association between the title of the book purchased. The association rules between book titles formed from the mining process can later be used by the WFZ Book Store to increase the number of books purchased, besides that it can be used for the procurement of books from the association rules of frequently purchased books, it can also be developed into a knowledge base for the book purchase recommendation system. The Output is in the form of a priori algorithm analysis software.
Sistem Pakar Pendeteksi Penyakit Gigi Dan Mulut Dengan Menggunakan Metode Forward Chaining Wahyuni Fithratul Zalmi
Jurnal Informatika Vol 11, No 1 (2023): INFOMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v11i1.3846

Abstract

Diseases of the teeth and mouth are one of the many health problems that often interfere with the activities of sufferers. Diseases attack indiscriminately Reed both children and adults. Dental and oral health is an important thing that needs to be considered. Problems that occur in the teeth and mouth must be handled properly so as not to cause other problems that occur due to improper handling. Doctors are required to provide decisions quickly, and accurately in diagnosing diseases suffered by their patients. But to make such a diagnosis is not easy, considering that each disease has more than one symptom, and several different diseases have almost the same symptoms. Decision - making in diagnosing the disease carefully and appropriately must be done quickly for the treatment process of the disease. Especially for young doctors and all doctors if they find cases that are difficult to diagnose, they will generally be guided by books. This will certainly take time and effort. Treatment for this problem is to build an expert system application that functions to diagnose diseases of the teeth and mouth. This expert system application is expected to help doctors in deciding to diagnose diseases quickly or become a matter of consideration or reference.

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