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INDONESIA
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering
Jurnal Pengembangan Teknlogi Informasi dan Ilmu Komputer (J-PTIIK) Universitas Brawijaya merupakan jurnal keilmuan dibidang komputer yang memuat tulisan ilmiah hasil dari penelitian mahasiswa-mahasiswa Fakultas Ilmu Komputer Universitas Brawijaya. Jurnal ini diharapkan dapat mengembangkan penelitian dan memberikan kontribusi yang berarti untuk meningkatkan sumber daya penelitian dalam Teknologi Informasi dan Ilmu Komputer.
Arjuna Subject : -
Articles 201 Documents
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Search results for , issue "Vol 2 No 12 (2018): Desember 2018" : 201 Documents clear
Implementasi Algoritme Advance Encryption Standard (AES) pada Enkripsi dan Dekripsi QR-Code Dwi Qunita Putri Ambeq Paramarta; Ari Kusyanti; Mahendra Data
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Data security are very important in today's technological development. Therefore, it is necessary to find a way to protect the confidentiality and the security from unauthorized accesses. One of the mechanism to increase data security is to use cryptography. There are many form of cryptography, one of them is Advance Encryption Standard Algorithm. This thesis uses AES Algorithm with the size of 128 bit expansion key. That will operate in a 4x4 array. In the state encryption process will go through several stages of Addroaundkey, Subbyte, Shiftrows, and Mixcolumns 10 times round. But in the last round Mixcolumns no longer process directly into the Addraoundkey process, and for the decryption process is a reverse process of the encryption process that InvAddrows, InvShiftrows, InvSubbyte, and InvMixcolumns use the same round key with the encryption process. AES is implemented in PHP programming language and applied to QR-Code because it is a labeling technology that can store data in the form of patterns that can be filled with information. From the results of the implementation of AES Algorithm can be concluded that this application can encrypt all types of characters in the form of strings, alphabet, numbers, and symbols. When decrypting QR-Code the application will activate the camera function and perform QR-Code scanning that will be plaintext again. The execution time of AES encryption and decryption is 0.0034 seconds for the encryption process and for the decryption process takes 0.0029 seconds.
Implementasi Algoritme Trivium Untuk Mengamankan Komunikasi Data Master-Slave Pada Perangkat Berbasis Modul Komunikasi NRF24L01 Sara Yosephina; Adhitya Bhawiyuga; Ari Kusyanti
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Internet of Things (IoT) is a network concept that connects various devices so that these devices can produce services and cooperate with each other to achieve common goals. Security is one of the weaknesses of IoT implementation. Trivium algorithm is a hardware-side security candidate by the eSTREAM Project organized by NIST. Trivium algorithm architecture has a complex level of complexity and does not require large power so it is suitable for use on devices that have low power. This study explains how to utilize the Trivium algorithm to secure data communication using NRF24L01. There are 5 tests performed including validation test vector, performance analysis through the validation time keystream and data encryption ecryption, performance analysis of delivery time from master to slave using communication module NRF24L01, and testing with sniffing. Results of this resesarch indicate that the keystream validation in accordance with test vector. The performance of encryption processing time has an average of 695.8 ms for 8 bit data size, 951.2 ms for 16 bit data size and 1460.2 ms for 32 bit data size. And the results of the decryption processing time performance have an average of 443.5 ms for 8 bit data size, 447.8 ms for 16 bit data size and 448.4 ms for 32 bit data size. And the results of the test by sniffing shows that the Trivium algorithm can perform data encryption well with the sniffing process can only sniff the data that has been encrypted.
Perbaikan Usability Aplikasi Pemesanan Tiket Bioskop Menggunakan Metode Usability Testing dan USE Questionnaire Moch Dian Fahmi; Hanifah Muslimah Az - Zahra; Ratih Kartika Dewi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Usability is one of the important aspects to be a benchmark for the quality of an application can be said to be good. Usability is used to measure how an application can be used according to the user's desire to achieve the desired goal, supported by the ease of the user to use the application interface. This cinema ticket booking application is an application that is used to book tickets in theaters throughout Indonesia can be accessed through applications on the Android platform. Based on the problems found in the results of user reviews on the platform there are still problems experienced by users, then usability measurement is used to measure the usability level of the application. Testing using usability testing method is done directly to the user, done by giving a task scenario. This test is carried out twice, the initial test to find out the initial usability value and the existing problems, then based on the existing problems given recommendations for improvements in the form of prototypes which are then re-tested to get the final usability value, after that the test results will be compared to get the usability value of the application this cinema ticket booking after repairs and before repairs. When testing there were three stages, namely, usability testing, filling out questionnaires and conducting interviews. Filling in the questionnaire is supported by USE Questionnare which has four parameters, namely Usefulness, Ease of Use, Ease of Learning, Satisfaction, the results of which will be processed and produce usability values ​​in this cinema ticket booking application. Improvements made refer to Material Design and Color Comparison Websites to get good recommendations. The initial test results obtained usability value of 57.4% categorized as sufficient predicate and the final test results obtained 83.1% were categorized as very good
Implementasi Load Balancing Server Basis Data Pada Virtualisasi Berbasis Kontainer Moch. Wahyu Imam Santosa; Rakhmadhany Primananda; Widhi Yahya
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Most of systems that we use nowadays still implement single database server architecture. It makes database server incapable in handling many requests. Horizontal scaling that is done with additional processing units such as nodes, instances, or even containers is a solution in increasing performance of a system in handling many requests. Load balancer is needed as a system that will be used to distribute data requests to the system of database server. In this research, the author tried to solve the problem by implementing load balancing database server in container-based virtualization. Load balancing runs using load balancer and nodeport features that provided by Kubernetes. With each of the replicas connected in a centralized storage system, it makes the data consistent. The result shows that the performance of database server is increased, with throughput that was obtained from load of 750 per second was (61,3 request per second) in 2 replicas, (61,3 request per second) in 3 replicas, (64,6 request per second) in 4 replicas, and (65.,6 request per second) in 5 replicas.
Klasifikasi Risiko Hipertensi Menggunakan Fuzzy Decision Tree Iterative Dichotomiser 3 (ID3) Mochamad Rafli Andriansyah; Edy Santoso; Sutrisno Sutrisno
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Hypertension is a disease where the heart and the arteries have abnormalities which is indicated by the increase of blood pressure. Hypertension can be controlled if it's handled from the early stage, however, several number of patients only earn the knowledge right after there's a complication of failures of the organs. Considering that hypertension is one of the very lethal diseases, the researchers have done researches about the classification of hypertension, one of them used Fuzzy Decision Tree with ID3 algorithm. To solve the problem about hypertension based on the available factors, the study use Fuzzy Decision Tree ID3 method to classify the risks of hypertension that have initialization stages of Fuzzy values, the calculation of Fuzzy enthropy values, and the values of information gain, as well as defuzzification to determine the result of the classification. The testing that has been carried out could result in the highest accuration value, which is 80%, derived from the testing of 30 training data dan 20 testing data, as well as the combination of the FCT and LDT value. The conclusion of the research that has been accomplished is that Fuzzy Decision Tree ID3 can solve the problems in the classification of hypertension risks quite well.
Analisis dan Perancangan Sistem Informasi Pemesanan Barang (Studi Kasus: PT. Trivia Nusantara) Afifahlya Alif Rizyomi; Mochamad Chandra Saputra; Welly Purnomo
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Trivia Nusantara is a business in advertising and retail of office stationery. After doing an observation, there is a problem in ordering products process. Which lack of information system support causes the process of ordering products to be longer and takes a lot of cost in communication. Growth of technology impact on the increasingly business competition, this trigger PT. Trivia Nusantara to build an information system in order to support the company's operations. Due to PT. Trivia Nusantara also does not have an IT expert so the company's leader plans to build an information system by working with vendors. Based on the concept of SDLC (Software Development Life Cycle) the initial thing required is a documented requirements analysis and system design. Analysis and design performed using Ripple methodology in the initial 4 phases. Genesis phase and requirement phase used to requirements analysis. While the system design in the analysis phase and design phase. The importance of evaluating the requirements in this study using 2 evaluation, consistency analysis and correctness. In consistency analysis method proved have a 100% percentage value consistent. And the correctness test proving that system requirements with system design is include in correctness category.
Perbandingan Kinerja Hbase dan MongoDB Sebagai Backend IoT Data Storage Niki Yuniar Wicaksono; Eko Sakti Pramukantoro; Widhi Yahya
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

IoT (Internet Of Things) is currently evolving as evidenced with many studies that discuss the IoT. IoT consists of two main components of the Internet and interconnected Things, to collect data and information into data storage media that can be processed as needed. However, there are challenges in building IoT data storage media, like a large data volumes, diverse forms and data formats. In previous research has developed a Framework of IoT data storage media from the sensor node. The Framework uses NoSQL MongoDB as its data storage. In this study, proposed an IoT NoSQL Hbase data storage using the MongoDB Framework because it free scema and good writing speed in the performance testing of random writing tests. This study, tested Hbase and MongoDB by testing ability to storage data in data storage. The result of this test is Hbase and MongoDB is able to receive and insert text data and image data. While for testing the Framework of data storage media with Hbase using storage testing For testing the performance of MongoDB, better result test on runtime parameters of 33s, throughput of 1559 ops/s, 48% Usage CPU, 67% Memory Usage, and 4354kb Disk I/O. When testing images the results of differences in slightly different better of MongoDB on Runtime parameters 64s, throughput 90 ops/s, CPU Usage 46%, Memory Usage 84%, while when testing Hbase images superior in Disk I/O parameters of 109.462kb.
Evaluasi Kualitas Sistem Informasi Dosen (SIADO) Oleh Dosen Universitas Brawijaya Dengan Menggunakan Technology Acceptance Model (TAM) Termodifikasi Anita Dwi Puspitasari; Yusi Tyroni Mursityo; Mochamad Chandra Saputra
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The use of Lecturer Information System (SIADO) has been so maximized because some users of lecturers have different perspectives on SIADO, such as SIADO's system quality which still get some complaints from users in 2016 and there has been no decision letter from the Rector of mandating the use of SIADO. This study aims to describe how the factors studied on SIADO user acceptance on five variables, namely user characteristics, system quality, top management & IT support, perceived usefulness, and perceived ease of use using descriptive statistical analysis. Data collection techniques using questionnaires that are distributed offline using paper and designed as attractive as possible, the population in the study is a lecturer in UB with 96 samples used. Data from respondents who have been collected through questionnaires processed by seeing whether the data is valid and reliable. After that descriptive statistical analysis is done to know the level of categories owned on each variable that can provide data information based on centralization and dissemination of data, so that obtained average to be categorized. The results show that the five variables get high category on SIADO acceptance, which indicates the user perceives all the good variables to be used as a consideration tool in receiving the system.
Perancangan Klaster Server Web Dengan Availabilitas Tinggi Menggunakan Teknologi Failover, Load Balancing dan Distributed File System Tiara Erlinda; Mahendra Data; Reza Andria Siregar
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The developments of World Wide Web (WWW) technology has an impact on the increasing website every day. The use of the web for everyday life is very influential for various aspects of life such as to communicate, entertainment, and education. It takes a system that has a high availability level to operate continuously and ensures no failure so that the system can provide continuous service without interruption to the user. The researcher's solution is to design a high availability web server cluster with failover technology using Keepalived. There is also load balancing technology using Varnish which supports distributing workloads to web servers and distributed file systems using GlusterFS to share files between servers. The study was conducted using LAMP server ie Linux Apache, MySql and PHP. Apache server is assigned as web server. Testing is done in terms of downtime, throughput, CPU usage, memory usage and functional. The results of the research found that the value of downtime with an average of 1 second when the main server is dead. The highest throughput value for the connection is obtained when the number of connections is 40 and the lowest when the number of connections is 100. The usage and memory usage values ​​increase up to 68.3% for CPU and 65.5% for memory depending on the number of connections. The result from functional test proved that the system is running according to its function. Based on these results, this system can be a solution for systems that require high availability.
Implementasi Low Power Mode Berbasis Finite State Machine Pada Sistem Pelacak Lokasi Parkir Mobil Menggunakan GPS Module Dan GSM Module Agung Wismawan Rochmatullah; Dahnial Syauqy; Mochammad Hannats Hanafi Ichsan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Confusion and forget the location of the parking lot is something that usually happen. Especially for car users who park in a large area or in newly visited areas, it is troublesome for the user to find the car. Based on this problem, its needed a system that can help users to find the location of cars that have been parked via an android smartphone. In order to save the power, this system using finite state machine method that aims to apply the principle of low power work by using several states, that is sleep and wake. This system uses GPS Neo 6m which serves to get the coordinate point value of the car being parked, SIM800L serves for sending data to the user's smartphone applications, ATmega328p serves as processing input and output of the system, and the android smartphone applications to display the location to google maps. Based on the tests that have been done, the result obtained the average rating of current savings on the SIM800L components are 0.46A. It is hoped that this research can help cars users who is confused or forgotten about the location of their car park.

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