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ComTech: Computer, Mathematics and Engineering Applications
Published by Universitas Bina Nusantara
ISSN : 20871244     EISSN : 2476907X     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Engineering Mathematics
The journal invites professionals in the world of education, research, and entrepreneurship to participate in disseminating ideas, concepts, new theories, or science development in the field of Information Systems, Architecture, Civil Engineering, Computer Engineering, Industrial Engineering, Food Technology, Computer Science, Mathematics, and Statistics through this scientific journal.
Arjuna Subject : -
Articles 64 Documents
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Search results for , issue "Vol 5, No 2 (2014): ComTech" : 64 Documents clear
Perancangan Sistem Informasi Penjualan Buku pada PD. Kencana Maryani, Maryani
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2361

Abstract

PD KENCANA is a company engaged in the sale of school administration equipment, office equipment and so forth. One of the processes that exist in PD KENCANA is the sales process. Based on book sales processes currently running on KENCANA PD, there are still some issues, namely duration of the process of making the sales memorandum book, because the manufacturing process is still done by hand writing. The purpose of this research is to design information systems in PD KENCANA book sales and provide reports on sales data of books with ease and on time. Methodology in the development of this system consists of activities which can be grouped into several stages, systems methodologies used in information system design uses the System Development Life Cycle (SDLC). Book Sales Information Systems In this KENCANA PD can assist the administration in managing the sale of books and making reports. In addition, this information system can also easily generate reports on book sales information per month or per year, accurate, precise and relevant, as expected.
Kajian Ios Apps dalam Peningkatan Produktifitas Perancangan Arsitektur Tomasowa, Riva
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2295

Abstract

The use of mobile device with sophisticated hardware and smart apps is a robust tool in terms of improving productivity nowadays, as well as to the dynamic architecture design process. The communication is not merely limited to formal audio and visual, but also bridges the data synchronisation, time and distance. However, this novel technology is not fully adopted to support the design process. This paper describes the built iOS apps which designed to aid the architects and then compares their potential on each design phases. Discussion of the analysis based on the design flow of the feasibility study (feasibility study) to facilitymanagement - FM, which discusses the ability of CAAD in the design stage. In brief, the research shows the absence of rigid framework for interoperability that could accommodate two ways information exchange between apps and desktop applications.
Analisa Penerapan Sistem pada Hospitality Industry Haryanto, Steeve
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2217

Abstract

Analysis on the application of the system hospitality industry aims to determine whether the system from outside has a considerable influence on the number of luxury hotels in Jakarta as well as the factors that influence in picking the hospitality industry service system. The results of this survey are expected to be a consideration in implementing an information system in the field of hospitality industry. The method used in this paper is a literature review and analysis. The initial step in the analysis is to conduct a survey on the current system in hotels in Jakarta, and analysis of the survey results and the identification of the need for local companies to compete with foreign companies. Implementation of the system is no longer measured by how many facilities are available but the system is measured by how stable revenue generated calculations per dayrunning at a hotel with no lost posts.
Otomatisasi Sistem Antrean Menggunakan Fast Methodology: Studi Kasus Student Advisory Universitas Bina Nusantara Heriyanni, Eileen; Gautama, Josef Bernadi; Reina, Reina
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2352

Abstract

If there is a stack in a service center, then the customers need to form a queue. There are increasing number of consultations in a specific time at Student Advisory Center (SAC) Bina Nusantara University. The increased needs for consultation lead to high waiting time that must be passed by the students who need the service. Therefore an information system queue is required to replace the current manual queue process. This study aims to create an automation using six stages FAST Methodology which includes Scope Definition, Problem Analysis, Requirement Analysis, Logical Design, Decision Analysis, Physical Design and Integration. The results of this research is the design of the application queue screen can be applied to SAC Bina Nusantara University.
Model Pemesanan Bahan Baku menggunakan Peramalan Time Series dengan CB Predictor Pujadi, Tri
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2343

Abstract

A company that manufactures finished goods often faces a shortage of raw materials, due to the determination of the quantity of raw material ordering improper because it is done by intuition and the lack of raw material inventory reserves. This resulted in costs because inefficient production processes are inhibited or had to perform an emergency procurement of raw materials to meet customer orders. The company seeks to use the method in determining the order quantity of raw material, comprising the steps of (1) collecting historical data of raw material use, step (2) forecasting needs raw materials, step (3) calculating the order quantity forecasting based on the data by comparing the deterministic method and probabilistic methods. Calculating safety stock for each raw material is done so as to cope with the situation outside of normal conditions, such a surge in orders. In its design, the system will be developed using the Unified Modeling Language modeling language (UML) on the basis of the concept of object-oriented analysis and design (Object Oriented Analysis and Design). With the proposed implementation of the information system, the company can estimate the need for raw materials more quickly and accurately, and can determine the order quantity that is tailored to the needs. So that the costs associated with ordering and storage of raw materials can be minimized.
Pembangunan Database Destinasi Pariwisata Indonesia Pengumpulan dan Pengolahan Data Tahap I Hulu, Yosafati
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2276

Abstract

Considering the increasing need for local (government and community) in developing tourism destinations in the era of autonomy, considering the need to select the appropriate attraction according to the respective criteria, and considering the needs of businessmen travel / hotel to offer the appropriate attraction with the needs of potential tourists, it is necessary to develop a database of tourist destinations in Indonesia that is able to facilitate these needs. The database is built is a web-based database that is widely accessible and capable of storing complete information about Indonesian tourism destination as a whole, systematic and structured. Attractions in the database already classifiable based attributes: location (the name of the island, province, district), type/tourism products, how to achieve these attractions, the cost, and also a variety of informal information such as: the ins and outs of local attractions by local communities or tourists. This study is a continuation of previous studies or research phase two of three phases planned. Phase two will focus on the collection and processing of data as well as testing and refinement of the model design and database structure that has been created in Phase I. The study was conducted in stages: 1) Design Model and Structure Database,2) Making a Web-based program, 3) Installation and Hosting, 4) Data Collection, 5) Data Processing and Data entry, and 6) Evaluation and improvement/Completion.
Perancangan Case Tools untuk Diagram Use Case, Activity, dan Class untuk Permodelan Uml Berbasis Web Menggunakan HTML5 dan PHP Subekti, Mohammad; Lukman, Lukman; Indrawan, Donny; Putra, Ganesh
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2199

Abstract

This study is intended to generate an application tools (CASE tools) that allows a software developer to create a modeling system design using Unified Modeling Language (UML), especially in making use case, activity or class diagrams more quickly and easily. The tools developed will also facilitate developers in doing UML modeling by accessing the network through a web-based internet application. With the web-based applications, the users require only a browser and an internet connection to use this application. This application also helps developers to understand of how to make UML diagrams correctly and good. In this research traditional methods Scrum model is used. Scrum method is Agile methods that is a process to cultivate software easily and can be developed in accordance with the development of information technology. Scrum is using empirical methods or in other words every stage in it involves inspection and adaptation.
Perancangan Sistem Informasi Manajemen pada Klinik Skala Kecil (Studi Kasus: Klinik Dr. Jonni) Ayuliana, Ayuliana; Wijaya, Stanislaus Steven; Lawunugraha, Lawrentius Siangjaya; Iswanto, Irene Anindaputri
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2366

Abstract

The purpose of this research was to develop a database application at dr. Jonni clinic which can be used for processing and recording of operational data with an attractive user interface. Through the integrated database application, data on dr. Jonni clinic would be more structured, therefore data retrieval will go faster and more accurate, data security administration will be increased, data redundancy will be eliminated and service performance clinic dr. Jonni will also be increased. The method of analysis includes the study of literature, examination of documentation, observation, and interviews. While in the design, the method includes application design using the waterfall method models, database design and data modeling application screens using State Transition Diagrams. The results achieved from this research is an application of data base management hospital. With database applications, all data and information can be integrated well, so that it would improve the quality of  services as well as facilitate storing and accessing data. The conclusions obtained from this research is the application of data base management hospital helps in generating quick and accurate information that is used to support operations and decision-making in the clinic dr. Jonni.
Penentuan Daya Cerna Protein In Vitro Ikan Bawal (Colossoma Macropomum) pada Umur Panen Berbeda Saputra, Dede
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2430

Abstract

Digestibility is part of the sample consumed and not released into the feces. This study discusses about the protein digestibility of tambaqui fish (Colossoma macropomum) at different ages and sizes in vitro. Protein digestibility is the ability of the organisms to break down proteins into simple molecular compounds. At the initial stage, all samples used were dried, then distilled water at pH 8 added, and later the mixture was homogenized for three minutes. After the mixture was homogeneous, enzymes and distilled water were added. Samples were then centrifuged and the absorbance of the sample was measured using absorption spectrophotometry. The results obtained during the observations showed that the digestibility of proteins in the casein showed a value of 100%, small pomfret fish for 28.37%, pomfret fish at 58.42%, and large pomfret fish amount to 88.39%. This shows the larger size of the fish, then the digestibility of protein will be higher. In addition, the lower the pH, the protein digestibility will be higher for hydrolysis of proteins requires an acidic environment of pH conditions.
Perancangan Sistem Penjadwalan Mesin Hybrid Flow Shop dengan Algoritma Levyflight Discrete Firefly Limas, Andrew Verrayo; Sudirwan, J.; Fadlilah, Siti Nur
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2222

Abstract

The main issues that have been encountered in PT Surya Toto Indonesia is companies do not know how to measure the performance of the production process so as the utilization of resources that will be used isn’t yet to be known with efficiently. The purpose of this case studies is creating a better production processes by proposing a better and systematic scheduling information system. An Object Oriented Analysis and Design method is used to determine system’s requirements and design of the system architecture. Metaheuristic methods such as Discrete algorithms Levy-flight Firefly is used to improve the performance of the Hybrid Flow Shop machine scheduling become more better. Indicators that are used to determine the performance of the scheduling is makespan and lateness. Results from this algorithm is makespan value of 305.27 hours with lateness value of 10.92 which determine that there is no delays in scheduling. Scheduling information system was designed three primary capabilities, which are integrated data management, inventory management and a systematic and accurate scheduling system.

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