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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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Analisis dan Pengukuran Tingkat Eksposur Resiko Teknologi Informasi dengan Metode Fmea Pada PT. Bank Central Asia, Tbk Roy Kurniawan
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.v5i2.2229

Abstract

The purpose of this paper is to help the PT. Bank Central Asia, Tbk in measuring the level of risk exposure and identify the need to control IT risk management at PT. Bank Central Asia, Tbk. Conducted research methodology, field observation, library research, interviews and gave questionnaires to the relevant parties, perform data analysis, as well as measuring the risk of using the approach of FMEA (Failure Mode and Effect Analysis). The results achieved in this study is to facilitate the management in making decisions related to the design, maintenance, and development of information technology at PT. Bank Central Asia, Tbk and also minimize the risk of the failure so that the utilization of existing information technology can provide more optimal results. The conclusion from this study is that there is a risk of potential failure that could hamper the existing business processes in PT. Bank Central Asia, Tbk. Highest risk or potential failure according to theRPN (Risk Priority Number) is a software and hardware damage, as well as the corrupted database due to the impact of operational risk.
Proposition Analysis of Fixed Broadband Services Based on Product Segmentation And Purchasing Power of Urban Society Triyono Budi Santoso
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2230

Abstract

Tight competition in the broadband industry has forced the provider to have a good product propotition and strategy in the market, including market segmentation and type of services delivered based on customer’s expextation and intention to buy. This research aims to make a product proposition based on two major criteries in fixed broadband service, which are speed and price of the product, by looking into the competition in existing market (competitor’s product). As many players in Indonesia have created very tight situation, the will be launched product should have an attractive matter or differentiation in order to compete and get a “buy in” of the customer. In the research, some analysis was conducted across all the propositions by spreading questionnaires to respondents in urban area especially in Jakarta and Bandung, thus the provider can create product with an appropriate specifications to answer the needs of customers on their affordable price to buy. Some close-ended questions in the questionairres were scaled and performed by basic statistical approach methods. The result shows that product with affordable price is still become the choice of respondents in each segment (low, medium and high income). Price list per speed which is fitted to any segments is also suggested in this research. The result of the research can also be used to develop the product as a differentiation to be the choices and preferencesof customers.
Analysis of Various Computer System Monitoring and LCD Projector through the Network TCP/IP Santoso Budijono; Robby Saleh
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2231

Abstract

Many electronic devices have a network connection facility. Projectors today have network facilities to bolster its customer satisfaction in everyday use. By using a device that can be controlled, the expected availability and reliability of the presentation system (computer and projector) can be maintained to keep itscondition ready to use for presentation. Nevertheless, there is still a projector device that has no network facilities so that the necessary additional equipment with expensive price. Besides, control equipment in large quantities has problems in timing and the number of technicians in performing controls. This study began with study of literature, from searching for the projectors that has LAN and software to control and finding a number of computer control softwares where the focus is easy to use and affordable. Result of this research is creating asystem which contains suggestions of procurement of computer hardware, hardware and software projectors each of which can be controlled centrally from a distance.
Penerapan Dinamika Fluida dalam Perhitungan Kecepatan Aliran dan Perolehan Minyak di Reservoir Dwi Listriana Kusumastuti
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.v5i2.2232

Abstract

Water, oil and gas inside the earth are stored in the pores of the reservoir rock. In the world of petroleum industry, calculation of volume of the oil that can be recovered from the reservoir is something important to do. This calculation involves the calculation of the velocity of fluid flow by utilizing the principles and formulas provided by the Fluid Dynamics. The formula is usually applied to the fluid flow passing through a well defined control volume, for example: cylinder, curved pipe, straight pipes with different diameters at the input and output, and so forth. However, because of reservoir rock, as the fluid flow medium, has a wide variety of possible forms of the control volumes, hence, calculation of the velocity of the fluid flow is becoming difficult as it would involve calculations of fluid flow velocity for each control volume. This difficulties is mainly caused by the fact that these control volumes, that existed in the rock, cannot be well defined. This paper will describe a method for calculating this fluid flow velocity of the control volume, which consists of a combination of laboratory measurements and the use of some theories in the Fluid Dynamics. This method has been proofed can be used for calculating fluid flow velocity as well as oil recovery in reservoir rocks, with fairly good accuration.
Education Game of Multiplying Based on Horizontal Method of HTML 5 and Android Michael Yoseph Ricky
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2233

Abstract

Over the years, technology is growing rapidly followed by the development of game and its variations. Now, game is easily found on a mobile device. Moreover, game on mobile device can also be used as an excellent medium for learning or often referred as educational game because the nature of educational game is practical, easy to carry anywhere, and tends to be fun. This research was to create a mobile game application for learning with Horizontal method based on HTML 5 and Phonegap and to introduce the method as a method of mathematical multiplication process. This research used the Scrum method for program development. The results obtained showed that the game in this study is considered attractive and received a positive response from the player. Player also found it helpful to know the patterns of mathematics through the multiplication ofnumbers in this game. So through this game the player can perform mathematical multiplication calculations quickly.
Mempermudah Pengawasan Operasional dan Keuangan di Biro Perjalanan dengan Menggunakan Aplikasi Gtass Furry Arifin
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.v5i2.2234

Abstract

Some travel agencies have difficulty in monitoring the operational control and generating financial report. This is due to the operation of the data storage for business transactions conducted separately , and the reporting of the financial statements company are still found not in accordance with the bank reconciliation . In this study, the methodology the system development life cycle (SDLC) is used ranging from data collection through interview, observation and study of the literature up to the stage of application development, namely the analysis phase in the travel agency using the method of direct observation of the flow through the reporting process. After that, go into the design stages of database design methods and user interface. Global Travel Agency System Solutions (GTASS) product is the integration system designed specifically for the corporate travel agency that exists to facilitate control operations, such as creating a bill (invoice), Letter of Gurantee (LG) and financial oversight as receipts and expenditure of money. With the ease of processing, then the presentation of the financial statements can be done automatically. Important early financial supervision carried out by the travel agency due to an increase in sales without adequate consideration of financial supervision, will lead to the emergence of new problems, which in turn will hamper efforts to increase the sales.
Evaluasi Sistem Informasi Manajemen Perhotelan Berbasis Web pada PT. Xyz Suryanto Suryanto
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.v5i2.2235

Abstract

Information system in a company is expected to support their business processes. Therefore, it requires an evaluation of existing information system and provides recommendations hospitality management information system to meet the gap between existing information systems and user needs. The method of this study is divided into two, namely the method of data collection and analysis methods. Methods of data collection using interviews and observation techniques. Methods of data analysis using gap analysis, followed by a costbenefit analysis and IT Balanced Scorecard. The evaluation results through Fit/Gap Analysis states that the implementation of a management information system is feasible and able to meet all user needs. Cost Benefit Analysis provides an assessment of tangible benefits IT Balanced Scorecard provides an assessment of intangible benefits. The results of the two methods stated that the new information system worth to be implemented.
Pengembangan Sistem Informasi Penjualan Jasa pada Bengkel Xyz Sugiarto Hartono
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.v5i2.2236

Abstract

Information technology continues to evolve. For example in education, long time ago, people learned using stones. Advances in science and technology bring the community continue to improve the quality of life including technology itself. Bengkel XYZ is a company that sales service to customer especially in motorcycle reparation. The company is still using a file-based system. System development methodology used in this research is the Unified Process methodology using Object-Oriented approach. This research will result in a system design and application of sales system that can be used by the company to run day-to-day business operations, especially for the sales business process. By the design of information systems and the application of the sales system will integrate all data using centralized database, so that data redundancy can be reduced and the cost-effectiveness can be achieved.
Dampak Peningkatan Kepuasan Pelanggan dalam Proses Bisnis E-Commerce pada Perusahaan Amazon.Com I Gusti Made Karmawan
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.v5i2.2237

Abstract

The Purpose of writing is to describe the impact of increased customer satisfaction in the business process of e-commerce at Amazon.com and analyzed e-commerce strategies used in the company.The Benefits are to get an overview of the strategies in the Amazon.com for improving customer satisfaction and the impact of increased satisfaction. The method of writing is conducting reviews of existing sources to gain an overview strategy and business processes e-commerce at Amazon.com. The paper results are gaining knowledge of thenumber of visitors and Sales that accurred at Amazon.com. The Conclusions is about the impact of increasing customer Satisfaction in the business process e-commerce in the Amazone.com.
Continuous Audit: Implementasi dan Pengendalian Berbasis Teknologi Informasi dalam Menjalankan Fungsi Audit yang lebih Efektif dan Efisien Siti Elda Hiererra; Mario Octaviano Ignatius Sarayar
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.v5i2.2238

Abstract

Information Technology (IT) continues to transform how organizations function, communicate and do business with customers, partners and agents. Directors, audit committee, management and stakeholders sincerely hope their auditors more adept at using technology both in the field of audit (Audit Leveraging Technology) to develop a thorough understanding of how they control the company's processes and internal controls. The research methodology to be used is quantitative observation methodology, by collecting data from various data sources such as journals and literature on Continuous Auditing, both best practice (Practical Approach) as well as theoretical and raw concept of Continuous Auditing (Teorical Approach). Impact on the internal audit process and methodology by using Continuous Audit will be very revolutionary and a major impact on the development of the company's business and also the audit function which is run by the company.

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