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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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Mencermati Jendela Matahari di Atas Jakarta sebagai Dasar Perancangan Arsitektur Tomasowa, Riva
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.
Pengembangan Model Sistem Pencetakan Online Berbasis Web Gea, Diyurman
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.v1i2.2561

Abstract

Work efficiency and service quality improvement are two important things in competing with other businesses. Keep costs as low as possible with a satisfactory quality of service, can be optimized through the use of technology. One type of business that has the potential to be improved quality of service is a document copying services as implemented in Binus University. In addition to the staff and lecturers, students need the service for various types of documents such as copying lecture materials and other administrative documents. By leveraging the technology capabilities possessed by a photocopy machine to connect to a network computer, a system that supports the printing of documents through the Internet can be made. The online printing system is web-based, and capable of storing printing information into a database, so records can provide tracking information, which affects the quality of service and good performance. 
Perancangan Sistem E-Learning Berbasis Web dengan Analisis SWOT pada Sekolah Menengah Umum Putranto, Agus
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.v2i2.2814

Abstract

Facilities and advances in information technology such as digital library, online journal and references have not been well utilized by Regina Pacis High School. The school still implements the teacher centric teaching method where students are highly dependent on teacher that may inhibit the student’s development in independent learning. The author felt the need to propose an alternative solution to support student centric learning process by utilizing information technology advances. Therefore, an e-learning system design is made for Regina Pacis High School. To analyze the position of Regina Pacis High School the Porter's Five Forces is used. Meanwhile appropriate strategies for the school are determined using SWOT analysis. Results of Matrix IFE and Matrix EFE state that Regina Pacis High School is on the maintain-and-guard position while the results of the SWOT matrix states that the strategy of Strengths-Opportunities (SO) fits the conditions of the school. The strategies and implementation of e-learning system are expected to optimize the available technology to strengthen the position of Regina Pacis high school in the competitive market. 
Development of Asset Management Control Application for Direktorat Jenderal Sumber Daya dan Perangkat Pos dan Informatika Richard, Richard
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.v8i3.2311

Abstract

The purpose of this research was to identify problems, analyze needs, and develop management information system especially the process internal control of asset management on Direktorat Jenderal Sumber Daya dan Perangkat Pos dan Informatika (SDPPI - government communication and informatics organization). This system development used the System Development Life Cycle (SDLC) method which refers to 4 phases. Those were initiation and business feasibility, requirements definitions, functional design, and verification. The analysis used to support the research methods was Enterprise Architecture (EA) and SWOT. The analysis was conducted on business process that was running at the moment. The results show that the management information system in the form of web-based applications can help the process based on activity logging assets, assets allocation, complaints, and user guide in accordance with the needs of the Direktorat Jendral SDPPI. The design of this application can also help the existing asset management process to become more efficient and effective.
Kajian Proporsi Keterlibatan Perempuan (Gender) dalam Usaha Tani Padi di Kabupaten Bandung, Subang, dan Karawang Sungkawa, Iwa
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.v5i2.2290

Abstract

This study aimed to evaluate the involvement of women in Rice Farming Enterprise in Regency of Bandung, Subang and Karawang in a government program of gender equality. Through the estimation of proportion and descriptive studies by comparing figures targeted by the government of at least 30%, it can be evaluated that there is variability in all regencies. Further studies are analytical studies to determine the alleged intervals and hypothesis testing for proportions and to conduct studies by comparing observations and determined value by using the standard normal distribution. The results of the study shows that the role of women/gender in Rice Farming Enterprise is very dominant at each stage of planting, weeding and harvesting stages. For other stages such as land cultivation, Countermeasures Integrated Pest, irrigation and distribution, the women's role is less dominant. This information is expected to support the Agricultural Sector policy makersin developing women's empowerment and gender equity.
Proses Produksi di Pabrik Tabung Elpiji Septivani, Nike
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.v3i1.2455

Abstract

Currently the use of liquefied petroleum gas is urgently needed as a substituting fuel in both household sector and industrial sector. The Government’s program namely the conversion of kerosene to LPG encouraged people who still use kerosene as a fuel to switch to LPG. There are some public complaints about the quality of the conversion product such as conflagration that occurs frequently caused by the explosion of LPG tube. Application of SNI LPG tube related to the energy conversion program is expected to give a safer condition to the users. This study is conducted by analyzing the quality requirement of LPG tube products according to SNI as well as to identify the fulfillment of LPG tube products.
Penggunaan Tanaman Hias untuk Meningkatkan Fasilitas Terapi Anak Djim, Michael Isnaeni; Demetrius, Yolanda
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.v5i1.2586

Abstract

In certain circumstances children need to get therapy for supporting their growth and recovering their health. There are at least three types of therapy which are physiotherapy, occupational therapy and speech therapy. The existence of ornamental plants are believed to bring positive effects on therapy for children in condition that the ornamental plants concern positive and negative effects of the therapy activities. This study tried to determine the relationship between the types of therapy activities with the choice of ornamental plants. The result showed that the diversity of colors and scents of different types of plants can improve therapy facilities for children by concerning the therapy characteristics and the compliance with plant characteristics.
Pengembangan Framework Sistem Informasi Antrian pada Student Service Center Binus University Reina, Reina; Gautama, Josef Bernadi
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.v5i2.2178

Abstract

Queues can be found in all aspects of life, especially in the service industry, including at Binus University in the Student Service Center. Sizeable number of students at certain arrival time, has led to a long queue and this affects student discomfort in waiting. Queue information systems that exist today should bedeveloped further in order to improve the comfort of the user, such as information that is integrated with a student desk, both in seeing a queue number, and knowing the history queue. The research method used is thethree phases of the Software Development Life Cycle methods Problems and Opportunities, System Requirements and System Design. The result of this research is a framework that can be used for queuing system so as to provide the freedom of time and space for the user waiting queue.
Penggunaan Single Sign On (SSO) pada Jaringan Internet Badan Pengkajian dan Penerapan Teknologi (BPPT) Kerta, Johan Muliadi; Adiprabowo, Panji; Kusmiyati, Eva; Rahardjo, Sylvia Astri Wulandari
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.v2i2.2838

Abstract

Using various applications needs more than one authentication or user and password to login. Users in BPPT found this problem on their network application. Implementation of Single Sign On can help users to use only one authentication for many applications. Therefore a research is conducted to design and implement Single Sign On system that simplify and facilitate the user's email account to access application. Data are collected from literature study, system observation, and interviews while the design uses Network Development Life Cycle (NDLC) method. The research results in a Single Sign On system that utilizez Lightweight Directory Access Protocol (LDAP). In addition, Remote Authentication Dial-In User Service (RADIUS) is managed in accordance with the needs of the institution. Single Sign On system designed runs well and is able to provide conveniences for the user to use the services of existing applications, as it provides a standard email address to the user's identity. It also helps administrators to perform control of users trying to login. 
Optimizing Production Process through Production Planning and Inventory Management in Motorcycle Chains Manufacturer Kurniawan, Shelvy; Raphaeli, Steven Sanjaya
ComTech: Computer, Mathematics and Engineering Applications Vol 9, No 2 (2018): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v9i2.4723

Abstract

Based on the data, there were still shortages of production from year to year and demand wereunstable in motorcycle chains manufacturer in Indonesia. To overcome these problems, the purpose of this research was to make production planning and inventory control consisting of forecasting, aggregate planning, Master Production Schedule (MPS), and Material RequirementsPlanning (MRP). Forecasting used the additive decomposition method (average of all data), multiplicative decomposition (centered on moving average), and winter method (additive and multiplicative). Aggregate planning used chase strategy, level strategy, and transportation model. Moreover, MRP used lot for lot, Economic Order Quantity (EOQ), and Periodic Order Quantity (POQ) methods. The test shows several results. First, the best forecasting is additive decomposition (average of all data) with MAD value of 3.033,57, MSE with 13.590.490,and MAPE with 10,083%. Second, the best aggregate planning is transportation model with the total cost of Rp7.708.398.390,00. Last, the best MRP method is the lot for lot with total cost Rp7.162.567.653,00.

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