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INDONESIA
Jurnal Komputasi
Published by Universitas Lampung
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
Lingkup dan fokus jurnal berkaitan dengan tema-tema computer science, information technology, information system, software engineering, data mining, artificial intelligence, networking, multimedia, database, dan operating system
Arjuna Subject : -
Articles 231 Documents
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Aplikasi Pencarian Informasi Sholat Jumat di Kota Bandar Lampung Menggunakan LBS Berbasis Android Kurnia Muludi; Febi Eka Febriansyah; Alfabet Setiawan
Jurnal Komputasi Vol 4, No 2 (2016)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v4i2.1231

Abstract

The utilization of GPS (Global Positioning System) technology on telecommunication tools stimulates Location Based Service (LBS) in smartphone.  This service provides an information that can be accessed through mobile network and is able to use geographic location. In this research, application is designed and created for giving the information about Friday prayer schedule in Bandar Lampung, including the information about mosques, preacher in charge in certain mosque, and shows the nearest mosque location within a radius of 1 km. The application consists of Android Mobile application for users and Web Based System for Administrator and both are connected with Web Service. This study shows that the new created application can give the information about Friday prayer in Bandar Lampung and the test result by using Black-Box equivalence partitioning shows that the application runs in accordance with the requirements.
IMPLEMENTASI ALGORITMA BUBBLE SORT DAN SELECTION SORT MENGGUNAKAN ARRAYLIST MULTIDIMENSI PADA PENGURUTAN DATA MULTI PRIORITAS Roma Rio Sitepu; Machudor Yusman; Febi Eka Febriansyah
Jurnal Komputasi Vol 5, No 1 (2017)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v5i1.1484

Abstract

Ordering is a process of sorting data with a certain rule, so it will be arranged regularly in accordance with the rules. Basically, there are two kinds of commonly used sequencing rules: ascending and descending. In sorting data that consists of many criteria, there will be priority criteria on which the data is sorted. Priority criteria are sorted by initial criteria which are the most preferred criteria until the last criterion which is an additional criterion. In this study, researchers developed an algorithm that can help sort data that has many priorities. The algorithm used is Bubble Sort and Selection Sort, developed using multidimensional ArrayList to sort multi-priority data. The test was conducted on five times experiment and the data sorted by descending. The data used consist of four fictitious data and one real data taken from the list of all criteria of PPA 2017 scholarship recipient of MIPA faculty, University of Lampung. From the results of the tests performed, the best solution is found in the Selection Sort algorithm if compared with the Bubble Sort algorithm for multi priotity data sorting.
Pengembangan Alat Bantu Belajar Mengetik Cepat Berbasis Open Source Dwi Sakethi; Machudor Yusman; Ajeng Savitri Puspaningrum
Jurnal Komputasi Vol 1, No 1 (2013)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v1i1.413

Abstract

The increasing demand in the use of computers in all aspects of life needs people interact with computers more agile. One of them is to type faster. Various methods and applications have been created to help people to type fast but the application commonly used was a paid or trial applications. Because of that, an alternative application is developed to handle the problem. This applications developed using Waterfall method and the Pascal programming language which is considered easier to do for further development, since this applications will be Open Source .Keywords: Open Source, Pascal, Quick Typing.
Pengembangan Sistem Pengarsipan Surat Di Bidang Sumber Daya Manusia dan Komunikasi Hukum Administrasi (SDM & KHA) Pada PT PLN (Persero) Wilayah Lampung Kurnia Muludi; Anie Rose Irawati; Eva Diana Sari
Jurnal Komputasi Vol 3, No 1 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i1.952

Abstract

AbstractAs the development of technologies in computers, human beings are competing to create the newest technology in the form of hardware and software. The big companies are certainly use computer-based information system (CBIS) for example PT PLN (Persero) of  Lampung Region. PT PLN (Persero) of Lampung Region is a company that supplies electricity for Lampung Province.  They have activities that associated with mailing and receiving letter.  The received letters are accommodated in the secretary and are documented and archived using computer in semi manual manner. The computer system used less efficient and with given amount of letters often cause mistakes and slowness in registering them. This caused the slowness of searching of the archives and as well in generating and recap for the letters reporting.  Moreover the letters documentation security is absent. Because of that, the existing system needs to be developed to improve services and good security.  This research goal is to make a system for a letters documentation that has security features such as logins, and a good encryption and decryption using Twofish algorithms. This research used Visual basic 6.0 programming language combined with MySQL database and Crystal Report. The system development methodology used in this research is Waterfall. Black Box testing results show that the letter archive system has been successfully developed in accordance with the needs of the user. Key words: Algorithm Twofish, Crystal Report, Hardware, MySQL, Black Box Testing, Software, Mail Archiving System, Visual Basic
DESAIN STRATEGI “BARCA STYLE” DAN RESPON PEMAIN PADA SIMULASI PERMAINAN SEPAK BOLA MENGGUNAKAN ALGORITMA KUCHIYOSE Didik Kurniawan; Wamiliana Wamiliana; Afdi Patria
Jurnal Komputasi Vol 1, No 2 (2013)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v1i2.523

Abstract

Nowadays, football is not just a sport performed by humans. The development of football has offered a variety of integration technologies in diverse of forms such as ball type, shoes, games, etc. The game that associated with football is now in a great demand by many people, such as PES 2013. Football game needs game strategies that determine the success of the game. Recently, one of the great team that has won numerous competitions is Barcelona FC. This club has interesting features and powerful enough to win the game. The unique feature is 'Barca style', which is the short passing between players. Basically there are three main roles in the game of football which are the player who controlled the ball, a player that supports the movement of the player who had the ball, and the opposing player trying to snatch the ball. In order to find solutions to address the characteristics of the ‘Barca Style’ we represent the game as mathematical model and design a simulation that uses a strategy game guarding one on one, and the total survival strategy against the strategy of 'Barca style'.
IMPLEMENTASI TEKNIK STEGANOGRAFI MENGGUNAKAN METODE ADAPTIVE MINIMUM ERROR LEAST SIGNIFICANT BIT REPLACEMENT (AMELSBR) Astria Hijriani; Wamiliana Wamiliana; Pandya Panditatwa
Jurnal Komputasi Vol 2, No 2 (2014)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v2i2.1123

Abstract

Security is an important aspect in digital data transmission, and steganography is one way for hiding a secret message in such a way so that others are not aware of the existence of something in the message. In this research, we built a digital steganography system using web-based with Adaptive Minimum - Error Least Significant Bit Replacement (AMELSBR) method. The media to hide the message is on the form of .jpg, the output is on the form of .png, and the message is on the form of .txt. The procedures for applying AMELSBR method are Capacity Evaluation, Minimum - Error Replacement and Error Diffusion. The result shows that the AMELSBR method is able to manage for hiding and restoring files without causing excessive distortion (noise) in stego image. The AMELSBR method has a possibility of returning most files to image manipulation such as the change of image Brightness and Contrast with the black color dominant (rgb(0,0,0)), white color dominant (rgb(255,255,255)).
PENGEMBANGAN SISTEM INFORMASI KEPENDUDUKAN KECAMATAN KARYA PENGGAWA BERBASIS WEB Anie Rose Irawati; Dwi Sakethi; Alpiyan Zakki
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1142

Abstract

Citizen data record can be shown satistically such as according to family number, education, religion, gender, occupation and age group. Tabulation system of demography data used by Karya Penggawa subdistrict is still in manual method such as recording amount of citizen data on Ms. Office Excel. Constraint of using this citizens data record are difficult to get accurate information about citizens data, consume too much time to check the report of citizen data, in other word tabulation of demography data still not optimal yet.By those constraint, then the information system of demography of Karya Penggawa subdistrict is needed. The system is a web based system with the main function is to form tabulation of demography which is able to show statistic of citizens data according to gender, education, occupation, religion and age group on graphics. In addition, the system able to make quarterly report of demography by choosing one of report format Print, PDF, Excel to minimize human error and make the work of staff of Karya Penggawa subdistrict easier in processing of demography.Keywords: Demography,  Information, Karya Penggawa, Subdstrict, System, Web
ANALISIS PERBANDINGAN ALGORITMA ASIMETRIS ELGAMAL DAN MASSEY-OMURA DALAM ENKRIPSI DAN DEKRIPSI DATA Wijaya, Ahmad Adi; Wamiliana, Wamiliana; Andrian, Rico
Jurnal Komputasi Vol 4, No 1 (2016)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v4i1.1154

Abstract

Information can be kept secure by an encryption process in cryptograpy technigue. In this research we discussed comparative analysis of asymmetric algorithms ElGamal and Massey-Omura in terms of their complexities, time, and speed performances. The testing was conducted using 30 data with size  varies between 66 bytes and 2000 bytes. Thirty data were tested 50 times. The result shows that Elgamal Algorithm is faster in encryption and decryption compared to Massey-Omura Algorithm and the complexity of both algorithms are linear algorithms (O (n)).
APLIKASI PENCARIAN RUTE ANGKUTAN UMUM DI BANDAR LAMPUNG BERBASIS MOBILE ANDROID Deby Ariyandi; Didik Kurniawan; Astria Hijriani
Jurnal Komputasi Vol 4, No 1 (2016)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v4i1.1187

Abstract

Nowadays the development of information technology is growing rapidly not even be stopped. Such as the communication problems, which recently seemed there is no distance anymore, everything feels close, it is all because of technology. Along with the development of science and technology, emerging technology development is a GPS (Global Positioning System). In this study, researchers design and build android-based application to find out public transport route in Bandar Lampung called Balam Trans utilizing GIS technology in it. This application allows you to search route of the city transportation (Angkot) and Bus Rapid Transit (BRT) in the city of Bandar Lampung, so users no longer have difficulty in finding public transport to get to their destination location, especially for migrants in the city of Bandar Lampung. Additionally, this application can display information about public transportation and BRT route so as to broaden the users knowledge. This application was developed using Dijkstra's Algorithm for finding the shortest route. The conclusion of this study is the application Balam Trans successfully constructed and useful for every user who has used this Balam Trans applications, proved by questionnaire application testing achieves good. Keywords : Balam Trans, Public Transportation, Angkot, BRT, Route, Dijkstra's algorithm, Play Store, Android, Smartphone, Bandar Lampung.
Development of Staff Information System Faculty of Mathematics and Natural Sciences University of Lampung Dwi Sakethi; Andhi Andhi; Berliana Yuni Sari
Jurnal Komputasi Vol 5, No 1 (2017)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v5i1.1445

Abstract

Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) Universitas Lampung adalah lembaga yang mengolah data kepegawaian FMIPA Universitas Lampung. Dalam prosesnya, pengolahan data pegawai masih dilakukan secara manual. Hal itu menyebabkan sulitnya untuk mencari data umum yang ada di dalam berkas kepegawaian. Berkas kepegawaian tersebut juga masih diletakkan secara terpisah.  Dalam penelitian ini, penulis membangun suatu pengembangan sistem informasi berbasis web yang dapat membantu proses pengolahan data secara cepat. Metode pengembangan dalam pembuatan sistem menggunakan Waterfall. Hasil dari penelitian ini telah dibangun Sistem Informasi Kepegawaian Berbasis Web yang dapat digunakan untuk kegiatan pengolahan data pegawai supaya cepat dan akurat.

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