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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 1,585 Documents
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Sistem Informasi Akuntansi Pembelian Bahan Baku untuk Proyek Cristian, Lianawati; Meutia, D.
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2390

Abstract

Along with the development of technology, every line of business as well as a company that specializes in a construction project requires an information system that can support the company’s operations. The research objective is to analyze, identify the information needs, improve and design an accounting information system of construction materials purchases needed by the management of a contractor company to assist in decision making and address the issues contained in the running system. The research is carried out byimplementing data collection and information, analysis on the running system, analysis of research findings, identification of information needs, and identification of system requirements, as well as a structured design ofobject oriented analysis design (OOAD) and unified modeling language (UML). The result obtained is an improving application design that features document numbering, document filing, and reports. The newdesigned accounting information system of raw material purchases of the construction company can generate a report needed timely, completely and accurately, so that it can be used by the management in decision-making process.
Pengaruh Lama Tinggal terhadap Tingkat Partisipasi Masyarakat dalam Pengelolaan Lingkungan Permukiman Wijaksono, Sigit
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 1 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i1.2679

Abstract

As the activities grow increasingly at Soekarno-hatta International Airport, the government in this case is PT Angkasa Pura needs to extend the airport by develop phase three in northern area of the existing airport. However, the expantion plan is opposed by the local goverment of Tangerang City because the plan may interfere with project of Tangerang Pantura Development Plan. For instead local goverment of Tangerang City proposes that the expantion would be build in the southern area. Obtaining the description of citizen attitude in this area is the aim of this study. This study is a descriptive research using a descriptive statistical analysis. Data collection using interviews with a questionnaire to respondends. By using Sherry Arnstein theory to measure the level of community participation. The analysis results indicated that the level of knowledge, awareness, and income levels affect the level of public participation in environmental management. Forms of participation provided most of the funds appropriated in the form of donations by income level. 
Analisis dan Perancangan Aplikasi Pendukung Erp Sap R/3 Modul Sales and Distribution PT. United Tractors, Tbk Johan, Johan; Susanto, Yokie; Joe, Yusmin; Robby, Robby
ComTech: Computer, Mathematics and Engineering Applications Vol 1, No 2 (2010): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v1i2.2564

Abstract

The purpose of this research is to analyse sales process having been implementing Sales and Distribution module of ERP SAP R/3 and also to design a supporting application for sales process at PT United Tractor, Tbk. The benefit of this application is to help sales person and customer in doing inquiries, quotation and sales order also material information through short message. The method of this research is data capturing, literature review, object oriented analysis and design and Rational Unified process including UML ( Unified Modeling Language) for application design. Based on the problem, we designed a web based and sms gateway application to support Sales and Distribution module ERP SAP R/3 to help customer and sales person in doing sales transaction and information inquiry. 
Analisis dan Perancangan Sistem Informasi Sebagai Penunjang Keputusan pada UKM PD Gerak Tani Jakarta Pelawi, Dewan
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 2 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i2.2816

Abstract

To maintain a trading business in the strict competition a management supported by appropriate business strategy is required. Utilization of an information system that supports decision-making is needed to improve performance as well as support for all lines of business. Therefore, a research is conducted that specifically aims at the development of decision support systems for small and medium enterprises (SMEs). The basic method for building the system is the Herbert Simon's four-stage decision-making approach: intelligence, design, choice and implementation. Following is the building of data management subsystem, management subsystem model and user interface subsystem. The development of this system results in a decision support system that can improve the performance of all business lines complemented with support information for decision making. 
Cloud Computing Impelementation Using Model Roadmap for Cloud Computing Adoption (ROCCA) on IT Consultant Industry Perdana, Panji Arief; Suharjito, Suharjito
ComTech: Computer, Mathematics and Engineering Applications Vol 8, No 3 (2017): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v8i3.3887

Abstract

The purpose of this research was to build cloud computing referring to Roadmap for Cloud Computing Adoption (ROCCA) model so that the best strategy could be implemented in PT Matrica Consulting Service. The implementation of cloud computing had five stages modifications ROCCA adoption model. Those stages were analysis, design, adoption, migration, and management. Data were taken from distributing questionnaires and conducted interviews with R&D Manager and analyzed using SWOT analysis. The result is the implementation of cloud computing models, and implementation of private cloud and Software as a Service (SaaS) needs to be modified so it can be implemented properly. The implementation canincrease the performance PT Matrica Consulting Service based on the characteristics of the cloud which is flexible and secure to be accessed as long as it is connected to the Internet and maintained properly.
Aplikasi Analytical Hierarchy Process (AHP) pada Pemilihan Software Manajemen Proyek Komsiyah, Siti
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.v5i2.2292

Abstract

The problem with many alternative decisions in the areas of management and administration commonly referred to as multi-attribute decision problems. For example, the decision problem with many variables so that the target decision can not always be determined easily. Well-known method of approach, to overcome this kind of problem is called the Analytical Hierarchy Process (AHP). AHP technique is given by arranging alternative levels of decision, so as to provide a structured quantitative description. Application of multi-attribute types ofproblems such as problems in the selection of software, car, project proposal, the university, the best employees, and so forth. In this paper, the approach developed using the AHP in software selection project management.
Pengendalian Kualitas untuk Meminimalkan Jumlah Cacat pada Produk Kaleng Aeorosol Zuraida, Rida; Rantautama, Bima; Sutrisnohadi, Notri; Pratomo, Chondro Dewo Adi
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2457

Abstract

2.64% is the largest defect percentage of aerosol can product of PT Multi Makmur Indah Industri. To improve the product quality, the study focused on the goal of reducing the percentage of defects using the Statistical Quality Control. After gaining control of the company, we can calculate the process capability in the aerosol can manufacture. The next step is identification of the defects causes that arise using the failure mode and effect analysis (FMEA) method to measure the defect causes risks and as an input in determining control recommendations. From the observations and data processing, it is recognized that the overall phase of the process has a process capability value above 99%. 80% of defects in the aerosol cans product occur during the process of can making, component making and printing. While the most risking defect cause is the destruction ofmachine B coating on the printing process (RPN = 245) and the quality of the welding wire on can manufacturing process (RPN = 160). Therefore, the solution to reduce the defect percentage is replacing the damaged coating machine B as well as upgrading the quality of the welding wire. Thus, it can reduce the losssale as much as 1.06% (Rp110,716,000) per month.
Simulasi Penghitungan Online Kredit Pemilikan Rumah Bank Xyz Berbasis Web di Portal Finansial www.kontan.co.id Sano, Albert V. Dian
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 1 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i1.2702

Abstract

The objective of this study is to develop an online application of mortgage loan simulation. This application is developed based on a web application in order to be accessible anywhere and anytime. This application is expected to help prospective property’s consumers calculate their financial plans related to decisions concerning the amount of down payment, loan term, and the mortgage system model to be selected. There are two models of mortgage in this application. The first is a fixed and cap rate of interest, with the first three years of the mortgage interest rate of 9.75%, the fourth and fifth year interest of 10%, and the sixth year onwards using a rate cap interest with the indication of 12%. The second model is a 2-year fixed rate mortgage with the first two years rate of 8.5% and the third year onwards using adjustable rate mortgage of interest with the indication of 12%. Calculation formula and the interest rates in this application are obtained from Bank XYZ which is in turn applied in collaboration with financial portal www.kontan.co.id. This application has been tested by over 1000 users and the results are well proven and valid.
Pemodelan Dinamika Kendaraan dengan Jaringan Syaraf Tiruan Dewanto, Satrio
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2588

Abstract

Creating autonomous vehicle that can drive without a driver is a dream of the researchers who see the application of such a system will be needed in the future. Realizing such a system requires a dynamic model of the vehicle. It may be obtained by analytical method using dynamic equations. However, this way is rather difficult to do, especially in modeling the non-linear factors caused by tires, suspension, road conditions, etc. This study, in order to avoid difficulties in the analytical method, used artificial neural networks to model the dynamic system of the autonomous vehicle. It utilized data input from the camera sensor and vehicle speed.
Nosql Technology In Android Based Mobile Chat Application Using Mongodb Layona, Rita; Tunardi, Yovita
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.v5i2.2180

Abstract

Along with the development of data storage technology which previously using relational concept began to change to the non-relational concept or sometimes referred to as the term NoSQL technology. Data storage in NoSQL is no longer based on the relations between tables but using another methods, one of them is document-oriented. This method was applied specifically in MongoDB. This concept brings new hope because oftheir superiority that can handle very large data with promising performance and is perfect for agile system development. The purpose of this research was to measure the performance NoSQL, especially MongoDB with implemented it in a Android based mobile chat application. This research uses three methods, analysis method including literature study, analysis of similar application, questionnaires, design method using Agile SofwareDevelopment, and evaluation method including eight golden rules, analysis of similar application, questionnaires, and interview. The results of this research is a mobile chat application that uses MongoDB as the data storage technology. Through this research can be drawn the conclusion that NoSQL technology implementation, MongoDB, give special advantages like lighter data storage and faster data access.

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