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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 35 Documents
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Search results for , issue "Vol 3, No 2 (2012): ComTech" : 35 Documents clear
Fenomena Perbedaan Tingkat Kebisingan pada 2 Unit Ruang Tidur: Studi Kasus Rumah Tinggal Peneliti di Tepi Jalan Raya Suharjanto, Gatot
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2325

Abstract

Resting is essential to restore the freshness of body both physically and mentally. To optimally gain freshness quality depends on a conducive and comfortable atmosphere during resting time. Architecture also makes convenience factor as a basis for managing comfort zones as classification placement for room specification. One convenience aspect to consider is the noise level, so it is natural that the resting room (bedroom) is placed in zones that are considered quiet, away from the noise level. Theoritically, noise is getting weaker as the sound source distance is getting further. Sound source will also propagate or bounce on a specific object. On contrary, in this case (at the researcher’s residential), the rooms closer to the sound source are even have lower noise levels due to the lower position and barrier block.
Perancangan Forum Diskusi Mobile Online Learning Putranto, Agus
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2315

Abstract

The utilization of e-learning can improve effectiveness and flexibility of learning. One important activities e-learning feature is a discussion forum. Communication between educators and students in class will be more effective if combined with communication through a discussion forum. Binus Online Learning is selected as a place of research. Binus Online Learning is a program of Bina Nusantara University that offers online study activities, which most of the students are invited to have self study activities. The aim of this research is to do requirement analysis and then to design a forum discussion called M-learning for Binus Online Learning so that it will be beneficial for the students that they can easily use the faster access. In this research, used are data collection through surveis, and analysis based on are literature study and the current systems, while rich picture and user interface are used for design. The results obtained are some features for the mobile learning discussion forum.
Program Aplikasi Steganografi Menggunakan Metode Spread Spectrum pada Perangkat Mobile Berbasis Android Rojali, Rojali; Salman, Afan Galih; Nugraha, Teddy
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2305

Abstract

The exchange of traffic information in cyberspace grows fast. In all areas of life utilize technology to exchange information. One of the media owned by many people is mobile device such as mobile phone and tablet computer. In fact many people have been using mobile devices for information exchange function, and expect information to be transmitted quickly, accurately, and safely. The information security sent will be very important when the information is confidential. One way to secure information sent is the concealment of information into a media so that information hidden is beyond recognition by the human senses, which is commonly referred to steganography. This research studied and implemented steganography using spread spectrum Method on Android-based mobile devices. The results showed that the inserted image before and after the message was inserted is not different with PSNR value of about 75.
Tinjauan Sistem Desain Pemanfaatan Air Hujan pada Rumah Tinggal di Bintaro, Jakarta Katili, Renhata
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2330

Abstract

Rainwater harvesting and collecting for household domestic needs is someting commonly found. Even in some countries in Africa and Asia,it has been known for a long time. Currently, the technology varies from the simple one like using a barrel up to the purification technology. Unfortunately the rainwater harvesting system commonly found now is rarely integrated as a planned building element. Indeed, the integration will bring good impact on both design and function. This article analyzes a two-story residential building that uses Rainwater harvesting and collecting system which is located in Bintaro, Jakarta, as one example of a planned architecture that uses the system.
E-School Implementation Using Radius Server and Authentication Mechanism Astriani, Maria Seraphina; Pradono, Satrio
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2321

Abstract

Nowadays a lot of school would like to be a digital school or e-school. They may face lot of problems due to the sudden transition from conventional school to digitalized school. Some major problems are both lacks of human resources or man power and the basic knowledge about technology itself. Based on survey, the most common problem faced by most school is insecure wireless network. Even though they already installed advanced hardware, network security is still be the basic problem. No security mechanism such as encryption and authentication is the most common problem that may cause their network very vulnerable with any possible threat. After doing the research, Radius Server (both for authentication server and monitoring system) can help solve the problem.
Model Kemitraan dalam Pembangunan Rumah Sewa Swadaya Wijaksono, Sigit
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2353

Abstract

The high prices of land causes the decreasing development of rental housing around activity centers such as workplaces, schools and others. The specific objective of this study is to identify and map the forms of existing partnerships between government, business, and community organizations in the construction of rental housing, to identify obstacles in the implementation and effectiveness of these partnerships, and to develop a partnership model that can include and involve all interests (stakeholders) either from the government (central or local), businesses, and communities, as well as their respective roles in realizing the construction of rental housing for low income community. This study implements is a qualitative method with exploratory descriptive and comparative approach. Data are obtained through surveys in several locations as representatives of existing forms of self-help construction of rental housing in Jakarta, West Java and Batam. Data collection technique used observation and interviews are supported by direct observation in the field. The model developed is aimedat promoting self-help development of affordable rental housing which involves a partnership among government, business, and society. The partnership should be beneficial to all three parties. It should also allow affordability of low-income community to rent the house in the form of licensing component funded by national and local government, construction financed by the business or government, while the land acquisition component can use the land the community or local government.
Manfaat Datawarehouse pada Rumah Sakit ABC M., Evaristus Didik; Wibisono, M. Awan; A., Sucipto; V., Gusti Agung D.
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2310

Abstract

This study is objected to analyze the current system to find the problems being faced by ABC Hospital and propose alternative solutions. Additionally, it aims to generate information needed by the hospital management to design a data warehouse according to the information needs. The research method used is the analysis and design of data warehouse by Kimball and Ross cited by Connolly and Begg, known as Nine-Step Methodology. The result obtained is a data warehouse application with a multidimensional historical data that can assist the hospital management in decision making. Designing data warehouse at ABC Hospital makes enterprise data into concise and can be viewed from several dimensions that help users analyze data for strategic decision quickly and accurately.
Keterlibatan Masyarakat Urban dalam Pengolahan Sampah Rumah Tangga Mariana, Yosica
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2301

Abstract

Generally, activities conducted by people generate waste. The waste which increasingly rises causing a big problem. Therefore, the role of community in waste management will strongly support the process of solving the waste problem in the community. The purpose of this study was to determine the relationship of engagement and active participation of citizens, as reflected in the attitude of citizens in the activities related to the response to the waste problem in the community. A descriptive method was used in this study to describe the involvement and participation in the prevention of waste. The result showed that the paradigm of PSBM (community-based waste management) appeared sporadically and has not yet received the maximum support from regional governments. A paradigm which is “people pay, the government manages“, has grown within the community for years. It would hardly change people’s behaviour patterns in solving the waste problem in the community since changing the city into a city that is clean, comfortable and healthy involved many parties, including the community.
Rancangan Berkelanjutan Rumah Kargo Kontainer dengan Sistem Modular di Jakarta Utara Prawata, Albertus
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2335

Abstract

Sustainable home design implements a sustainability system , in which the design can meet the needs of both current and future residents as well as the environment. Sustainable design is applied in order to save the environment and natural resources by minimizing its use. The house is designed as a whole by considering the management of water, waste and electricity. Social interactions and relationships between the environment and the residents nearby are also expected to be sustainable. Regarding to the needs of residents of the city whichare diverse and dense, the house design implements a modular system, with the container material which suits the needs of its inhabitants. The modular system is objected to make easy the house improvement, assembility, and material reusage. Prefabricated process is also implemented, considering the transportation and construction. Thus the range of sustainable home design with modular systems in a dense region of North Jakarta meets the needs of the community and contributes to environment sustainability.
Perbandingan Antara C++ dan Java dalam Pengelolaan Sumber Subandijo, Subandijo
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2316

Abstract

This article contains a descriptive comparison of four features between C++ and Java. The first feature discusses about memory management that focuses on exception safety. The second compares the C++ destructor to Java finalizer. Third feature discusses about Java finally block. The forth is about C++ and Java implementation in order to access a data structure.

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