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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 19 Documents
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Search results for , issue "Vol 3, No 2 (2015)" : 19 Documents clear
IMPLEMENTATION OF AUGMENTED REALITY TECHNOLOGY BASED ANDROID TO DETECT AND FIND OUT LOCATION OF NEAREST GAS STATION IN BANDAR LAMPUNG CITY Didik Kurniawan; Aristoteles Aristoteles; Muhammad Fathan Kurniawan
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1148

Abstract

Augmented Reality (AR) is a term for an environment that combines real world and virtual world, where objects in real world can be recognized through the position, direction, and location. One of AR technology which is currently being developed is Markerless Augmented Reality, with this technology, users no longer need to use a marker to display digital elements. This technology can also be used to visualize information interactively, especially when this technology is integrated with mobile devices such as smartphones that have Android operating system. Camera feature, internet, accelerometer, digital maps and GPS (Global Positioning System) on Android devices can be integrated so that AR technology can be implemented. In this research, Markerless Augmented Reality technology is implemented to detect and find out the location of the nearest gas station in Bandar Lampung city. This application was designed and then implemented by using Java for Android programming language and Beyond AR framework to detect and display AR object and the Google Maps API to display a map of  location of gas stations. The result of testing data using an Equivalence Partitioning testing indicates that the application can function in accordance with the analysis. Additionally, based on questionnaire data, this application is a user friendly application (with an average grade of 4.29 / Excellent) and interactive (with an average grade of 4.20 / Well).
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
PENGEMBANGAN SISTEM INFORMASI PENDAFTARAN BEASISWA PENINGKATAN PRESTASI AKADEMIK (PPA) JURUSAN ILMU KOMPUTER FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM UNIVERSITAS LAMPUNG DENGAN MENERAPKAN ALGORITMA SORTING QUICK SORT DAN SELECTION SORT Dwi Sakethi; Febi Eka Febriansyah; Novita Sari
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1134

Abstract

Information System of PPA Scholarship Registration at Department of Computer Science Faculty of Mathematic and Natural Science Universitas Lampung by applying Sorting Algorithm Quick Sort and Selection Sort is a system that is used to ease the processing of shcolarship data. A student who participates the selection of PPA scholarship registration at Department of Computer Science has to enter the registration data on this system, so that the Secretary of Department doesn’t need to enter the applicant’s scholarship registration data anymore. This system can also rank automatically by using two sorting methods Quick Sort and Selection Sort. This system is built by using PHP as the programming languange and MySQL. Based on running time sort and complexity of its algorithm, it’s proved that Quick Sort Method is faster that Selection Sort Method. The result of functional testing data shows that the system can function in accordance with the requirement analysis. Based on non-fuctional testing data, it shows that at admin level of this system is include in category of “Good” with the average value of 4.20 and user (student) level of this system is include in category of “Good” with the average value of 3.97.
IMPLEMENTASI STEGANOGRAFI UNTUK MENYISIPKAN PESAN TEKS PADA MEDIA GAMBAR DENGAN METODE END OF FILE Wamiliana Wamiliana; Astria Hijriani; Azharico Darusman
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1127

Abstract

Security and confidentiality of data transmission are two important aspects in the era of openness to data access and information. One way to secure the data transmission is using steganography. In this research, the method used is End Of File (EOF) and used image as the medium. The message is hidden by inserting it in the end of the line image file. The media for hiding the message is in the form of .jpg and the output is in the form of .png. Inputting message is done manually. Testing have  been conducted on 5 types of images with different resolutions with a number of different messages characters which are 10, 100, and 1000 characters. The results show that the method of End Of File (EOF) successfully used to hide message in the media image and to take back the message that has been inserted. The image size and the number of characters used affects the processing time for embedding and extracting. Cropping, contrasting, and brightness on stego image are conducted to analyze the resilience of the message inserted. The results show that the stego image manipulations are sensitive or resistant to the manipulation that makes the message becomes corrupted and are not recommended in manipulating stego image.Keywords : embed, End Of File (EOF), extract, image, steganography, stego Image
PENGEMBANGAN APLIKASI SISTEM PEMBELAJARAN KLASIFIKASI (TAKSONOMI) DAN TATA NAMA ILMIAH (BINOMIAL NOMENKLATUR) PADA KINGDOM PLANTAE (TUMBUHAN) BERBASIS ANDROID Didik Kurniawan; Aristoteles Aristoteles; Ahmad Amirudin
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1143

Abstract

Biology is part of science that have special characteristics different from other sciences, in terms of objects, issues and methods as well as having many terms and have the object form of the Kingdom (kingdom): Animalia (animal’s world), Plantae (plant’s world), Monera, Protista, and Fungi. Object numbering thousands of types into its own difficulties to learn it. One way to make it easier to learn it is grouping or classification of organism is called Taxonomy and the scientific name is called Binomial Nomenclature. In this study, to learn the classification and scientific nomenclature, then created taxonomy’s application based on Android, which aims to facilitate students in classifying organism consist of Kingdom, Sub Kingdom, Super Division, Division, class, Sub class, Ordo, Family, Genus, and species. This application is designed and then implemented using the Java programming language for Android, MySQL and Web Server to manipulate the data that is needed, and updates the database periodically. The results of data test using Equivalence Partitioning test shown the application functionate well according to the analysis. In addition, based on questionnaire data, that the application is a user friendly application (with an average value of 4,17 / good), and interactive (with an average value of 4,08 / good).Keywords : Android, Application, Binomial Nomenclature, Taxonomy.
PENGEMBANGAN MODUL PENERIMAAN KARYAWAN DAN MODUL PENGGAJIAN PADA SISTEM INFORMASI KEPEGAWAIAN PT. TRAKTOR NUSANTARA BANDAR LAMPUNG Astria Hijriani; Febi Eka Febriansyah; Ana Ana
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1135

Abstract

This study developed a Decision Support System (DSS) by utilizing Analytical Hierarchy Process (AHP) Method as a process in selection of employees acquisition. This selection process used several criteria (multicriteria) to choose which applicants will be accepted. This Decision Support System (DSS) helps managers of Human Resources (HR) in deciding which applicants will be selected. In this application, there are criteria used and the weight of those criteria. This application of module business process will be able to generate the rank of each applicant based on the final amount. The applicant who has the greatest value will be given a better rank and it means that the applicant has criteria in accordance with company’s requirement. In addition, Web Service as a business process of payroll modules. In this process, a set of functions or methods which contained on a server can exchange data and information using an operating system and application that different from each other through the internet that uses XML as the format of message delivery. This system constructed by using PHP and MySQL as language. The result of functional testing data based on test case testing shows that the system can work "in accordance" with its analysis.
Penyederhanaan Tata Bahasa Bebas Konteks Dalam Bentuk Normal Chomsky Menggunakan PHP Rico Andrian; Wamiliana Wamiliana; Ismail Indra Pratama
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1129

Abstract

In this research we develop an application to simplify context-free grammar into a Chomsky normal form. This software was made to complete the process of simplification of the context-free grammar (CFG) so that user can identify the stages of a process of simplification, easy to understand the simplification at any stages as well as speed up the process. This software is created using the PHP programming language and use context-free grammar (CFG) as the input. The process order is carried out starting from removing epsilon, unit, and useless production so that the result is in Chomsky Normal Form. Black Box testing results with the method of partitioning software equivalen suggests that simplification of software context-free grammar into a Chomsky normal form using PHP was successful and suitable with the user needs.
DEVELOPMENT OF HOUSEHOLD INFORMATION SYSTEM BASED ON WEBSITE AT THE DIVISION OF COSTUMER’S DATA AND INFORMATION SYSTEM PT. PELABUHAN INDONESIA II (PERSERO) TANJUNG PRIOK Anie Rose Irawati; Mohamad Faisal Wijaya
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1144

Abstract

This research is developed a Household Information System based on website. Household information system created for Division of Customer’s Data and Information System in PT. Pelabuhan Indonesia II (Persero) Tanjung Priok. This division handles issues related to the application, network, and multimedia. This information system is created to resolve issues related to submission procedures of damage-handling and submission procedure of new item, so that users can be more efficient in the utilization of time, effort and cost in performing the procedures. This information system is created using PHP programming language. The sequence of process performed is starting from entering data to be submitted, the approval of stakeholders and printing data that have been approved. The result of Black Box testing on the system using Equivalence Partitioning method shows that the system is functioning well and accordance with user requirements. Keywords : Development of Information System, Information System for Household Division, Submission of Damage-Handling
Kajian Algoritma Modul Pencetakan Pembimbing Akademik Jurusan Ilmu Komputer Dwi Sakethi; Didik Kurniawan; Choiranti Efrina
Jurnal Komputasi Vol 3, No 2 (2015)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1121

Abstract

The list of academic advisor utility is an utility that was developed to help the administration process of computer science major. Previously, it's only used bubble sort sorting algorithm. We try to compare the bubble sort algorithm with selection sort and quick sort to determine the quickest algorithm which will be implemented in other major by searching the worst case (slowest execution time per unit) and best case (fastest execution time per unit). The result is quick < selection < bubble. Selection sort algorithm is proven to be the quickest when n < 26. But the  cademic advisor data that are used in the utility is more than 26. So in this research, the quicksort algorithm is the fastest algorithm.  

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