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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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Evaluasi Efektivitas dan Efisiensi Sistem Informasi Operasional menggunakan Metode Cost Benefit Analysis: Studi Kasus pada Restaurant Sea Food di Jakarta Lianawati Christian; Ribka Rosalina; Melissa Melissa; Rosalia Rosalia
ComTech: Computer, Mathematics and Engineering Applications Vol. 4 No. 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2671

Abstract

This study aims to identify whether the information system used by a sea food restaurant has been efficient and effective. It can support decision making for follow-up actions. The methodology used in this study is literature study, interview, and survey. To evaluate the effectiveness of operational information systems at the restaurant, we use cost benefit analysis. To evaluate whether the operational information system is efficient, we use questionnaire with Likert scale calculations. Based on the evaluation of the effectiveness and efficiency ofoperational information system at the restaurant, it can be seen there is a difference between investment in 2004-2009 and investment in 2010. From the results of calculation using cost benefit analysis to determine the effectiveness, we find that investment in 2004 was positive while investment in 2010 is still negative. Based on the results of questionnaires, the investments are considered efficient. Based on the evaluation, information systems used in sea food restaurant has been effective and efficient. The return on investment only takes less than two years and the information systems supports operational activities.
Perancangan Basis Data Improvement Dashboard Application: Studi Kasus pada Padang Karunia Group Ayuliana Ayuliana; Nailur Rahma; Titis Aulia; Ratri Permatasari
ComTech: Computer, Mathematics and Engineering Applications Vol. 4 No. 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2672

Abstract

Padang Karunia Group received a lot of inputs from its employees for improvement collected manually by an administrator. The more input from employees, the more difficult to be collected manually. Therefore Padang Karunia Group took the initiative to create an intranet application to save the inputs in a database. Based on this problem, a research is done to develop database applications in the form of dashboard to collect criticisms and suggestions of employees over the web. This application is expected to assist and facilitate the management of the company, especially in the gathering criticism and suggestions from employees who are then evaluated for company improvement. We uses the database design method based on database application lifecycle, including requirements collection and analysis, conceptual database design, logical database design, DBMS selection, physical database design, and implementation. The results achieved are a database design anda web-based dashboard application that collects criticisms and suggestions. The advantage of using this application is that the company can easily accept criticism and suggestions from employees, simplify storage and data management criticism and suggestions, create reports, and reduce the cost of data collection and the process that was previously done manually. Through the database created, the data management of criticisms and suggestions of employees can be done better.
Analisis dan Perancangan Aplikasi Bee-Messenger Sebagai Media-Media Instant Messanging di Universitas Bina Nusantara Eddy Santosa Jaya; Irawan Irawan; Regan Regan; Indahwati Indahwati
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.v1i2.2673

Abstract

Technology today has progressed at a rapid rate, as well as with instant messaging growing into all aspects of life, even more so in the advancement of communication technology. By using the VoIP feature, users can communicate by voice via the Internet. Messenger as a communication medium that is fast, accurate and low cost is expected to meet the need for a practical communication media. The purpose of this study is to analyze and design a messaging application called Bee-Messenger which will be used as a medium of instant messaging in Bina Nusantara University, and also analyze the needs of users with feature-contained in commonly used messenger applications. Research methods used are literature review, field studies, and field observations. Evaluation is based on the comparison of Bee-Messenger features with the same features found in Yahoo Messenger and MSN Messenger. Bee-Messenger can also activate YM and MSN messaging accounts simultaneously in a single application that gives users a practical application messaging. 
Rancang Bangun Basis Data Spasial Pemantauan Penyebaran Klinik 24 Jam di Dki Jakarta Indrajani Indrajani
ComTech: Computer, Mathematics and Engineering Applications Vol. 4 No. 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2674

Abstract

The purpose of this research is for designing and building spatial database to monitor the spreading of 24 hours clinic in DKI Jakarta. It includes spatial and attributive information for clinics. The benefit of this research is integrating tabular database with spatial database, giving information about the spreading of clinicspatially, and locating new clinics easily in DKI Jakarta. The research method used is data collection such as examine the documents and observation, followed by database analysis and design by Life Cycle (DBLC). The result obtained from this research is a spatial model of database that monitors the spreading of 24-hour clinics in DKI Jakarta. Implementing the new spatial database in monitoring the spread of clinic 24 hours can help the government to increase and develop health service for people in DKI Jakarta.
Dampak Implementasi Erp dalam Perbaikan Sistem Distribusi pada PT. Semen Gresik I Gusti Made Karmawan
ComTech: Computer, Mathematics and Engineering Applications Vol. 4 No. 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2675

Abstract

This study describes how to implement an ERP system at PT Semen Gresik and compares the positive and negative effects of the implementation in the distribution process improvement. The benefits that can be obtained from this paper is obtaining information of how to implement an ERP system and the positive and negative effects of ERP implementation at PT Semen Gresik in the distribution process improvement. This study was done through documentation review to obtain the description of distribution process in the inventory material planning at PT Semen Gresik. The study resulted in a comparison between the positive and negative aspects as an effect from ERP implementation process at PT Semen Gresik in distribution process improvement. The ERP implementation process at PT Semen Gresik does not only provide more efficiency and effectiveness of distribution system, but also consequences of the impact from the effectiveness and efficiency obtained.
Dampak Sistem Penghawaan dan Pencahayaan terhadap Sick Building Syndrome Daryanto Daryanto
ComTech: Computer, Mathematics and Engineering Applications Vol. 4 No. 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2676

Abstract

Activities of office workers are most spent indoors. Unwittingly office buildings and enclosed spaces with air conditioning system usually do not have good ventilation and allow natural lighting. This condition may cause sick building syndrome (SBS). It is a collection health issues arising in relation to the time spent in a building and the air quality. A study was conducted through a literature review and field observations to obtain the impacts of SBS, as well as the prevention and solution of architectural aspects. From the results of the study, it was obtained that printer, computer, cigarette smoke, building materials, etc., gave rise to free radicals. Theair polluted by free radicals may cause medical problems such as headaches, eye irritation, quickly tired and weary body, runny nose, itchy throat, difficulty in concentrating, dry skin and dry cough. This research is expected to improve the quality of life of workers that can be started from the improved quality of health.
Mencermati Jendela Matahari di Atas Jakarta sebagai Dasar Perancangan Arsitektur Riva Tomasowa
ComTech: Computer, Mathematics and Engineering Applications Vol. 4 No. 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2677

Abstract

Over the tropical climate area, the building orientation that is generalized to face North-South needs to be reconsidered. We can solve the issue by thoroughly observe the Solar Windows that is characterised by a certain location on earth. Nowadays, the architects are easily observing their building orientation to the sunusing open sources information. This paper explains those two areas with simulation and modelling strategies from open sources and CAAD. Jakarta as a sample of the observation has it best orientation to face South and East, since those views have shorter radiation time.
Penggunaan Fisikal Model dalam Perancangan Arsitektur Albertus Prawata
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.v4i1.2678

Abstract

One important factor in architectural design process that are used is physical model. Information and design solutions for the architectural design process can be obtained using physical model. It is a tool that can be used to visualize the architecture design process from the conceptual to the final design. This paper explains the types and the use of physical model with their characteristics. It also describe information and solutions from the physical model that can be used during the architectural design process.
Pengaruh Lama Tinggal terhadap Tingkat Partisipasi Masyarakat dalam Pengelolaan Lingkungan Permukiman Sigit Wijaksono
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. 
Aplikasi Traffic Monitoring Server Menggunakan SMS Clarissa Ilona
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.v1i2.2680

Abstract

This study aims to build traffic monitoring application that can help network administrator to monitor server anytime and anywhere, by using SMS. Things to be monitored are data traffic and server network connection. Literature study, and field study were done before designing the application.The result is application that can send and receive SMS to / from network administrator, check the connection to the server, and respond to network administrator in a relatively fast time when the connection to the server having problem.In addition, the application can monitor the details of data packets at the server and displays the bandwidth based on protocol. The details of data packets can also be sent via SMS. The conclusion is that traffic monitoring application is very useful because it can help network administrator to monitor servers anytime and anywhere. It is suggested to add a remote feature in this application. 

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