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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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Strategy System and Information Technology Planning In PT.Trikarsa Sempurna Sistemindo Holik, Muhamad Abdul
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.v6i3.2246

Abstract

This research is to provide strategic design of information systems/information technology to the PT. Trikarsa Sempurna Sistemindo. With the design of information systems strategy, it is expected that within the next four years (2012-2015) business developments of PT TSS can be supported appropriately by the system and information technology that has been invested in PT TSS. Data in this research is collected through discussion, study and questionnaires. The collected data is then processed using the methodology of Ward and Peppard and supporting tools that generate qualitative analysis of information. From the analysis, it can be concluded that in order to make the achievement of a good business then PT TSS should do three thing. First, improve work efficiency by automating various processes of information management. Second, improve management effectiveness by satisfying the information needs for decision making. Third, improve or enhance the competitiveness of the organization by changing styles and ways of doing business.
Solusi Deret Pangkat Tetap Dengan Fungsi Pembangkit Gunawan, Alexander A.S.
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.v1i2.2409

Abstract

This article discusses about the sum of powers , which closed solutions empirically have been discovered by Jacob Bernoulli in 1731 in The Art of Conjecture. In this paper, we will find a closed solution of the sum of powers by using the Generating Function. By learning how to derive the closed solution of the sum of powers, the Generating Function can be used to solve the more general series forms.  
Kehidupan Penghuni Lanjut Usia di Rumah Susun Wijaksono, Sigit
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.v3i1.2379

Abstract

Any provision of public facilities and infrastructure should provide accessibility for elderly to create a more supportive situation and environment for them in carrying out their social functions and active roles in community life as naturally, state and nation. Accessibility in this case is the availability of public facilities and infrastructure that can facilitate the mobility of elderly in public places, such as wheelchair ramp, the path for stick users, doors, stairs, elevators for multi-storey buildings, and pedestrian crossing. This accessibility can be both physical and non physical. In this research what to be studied is how the implementation of the existing flats can provide accessibility to the elderly residents. Using descriptive exploratory method the condition of their perceptions of occupied flats will be described. This study is carried out qualitatively using interviews.
Analisa dan Perancangan Sistem Informasi Akuntansi Penjualan (Point of Sales) pada Koperasi Karyawan Bina Nusantara Udiono, Tangkas
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.v1i2.2668

Abstract

The diversity of the sales transaction and the high frequency of sales in retail stores now requires store owners to be gave the best service is speed and accuracy of the data presented remains the main choice, not to mention the number of items owned, couse enormous amounts sometimes cause difficulties to provide a unique characteristic feature of each item. Cash register machines are not able to gradually overcome the kinds of sales that various kinds, and happens due to the emergence of the sales transaction itself such as the purchase or cancel the presentation of consolidated sales. So the point of sales aims to cover all the deficiencies that existed at the machine registers cash 
Risk Management in Information Technology Project: An Empirical Study Irfandhi, Kornelius
ComTech: Computer, Mathematics and Engineering Applications Vol 7, No 3 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i3.2498

Abstract

The companies are facing some risks due to changes in a dynamic environment. If risks are not managed properly, it will have some negative impacts on the companies at the present and the future. One important function of the Information Technology (IT) governance is risk management. Risk management in IT project aims to provide a safe environment for IT projects undertaken. Risk management becomes an important process for the success of IT projects. This article discussed the risk of IT project and whether there was a relationship between risk management and the success of the project. The method used was performing a literature review of several scientific articles which published between 2010 and 2014. The results of this study are the presence of risk management and risk manager influence the success of the project. Risk analysis and risk monitoring and control also have a relationship with the subjective performance of IT projects. If risk management is applied properly, the chance of the success of the projects undertaken can be increased. 
Penerapan Visual Basic for Application (VBA) Sebagai Alat Bantu Ajar Enkripsi dan Dekripsi DES Yasri, Yasri
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 1 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i1.2805

Abstract

The DES encryption/decryption algorithm is quite a popular algorithm due to ease in learning. Calculations for DES using binary numbers however are very difficult, including 16 rounds required for a full encode. Teaching DES encryption manually is difficult since it requires a long time. It also requires high accuracy for the 64-bit binary numbers, the possibility of mistakes are very high. Besides, the students cannot perform self-check, whether the given task is done correctly. Application of Excel and VBA is used to facilitate observation, comparison, and understanding the DES algorithm. The result is a teaching model using DES for modern encryption. 
The Implementation of Massive Open Online Courses (MOOCs)-Based E-Learning System for College Level Learners Silvana, Hana; Hanoum, Nadia
ComTech: Computer, Mathematics and Engineering Applications Vol 8, No 2 (2017): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v8i2.3754

Abstract

This research aimed to find out how the implementation of MOOCs-based e-learning system was as an attempt to provide equal access to education athigher education level in Indonesia and to describe the user profile of MOOCs based e-learning. This research used a descriptive quantitative method, and the subjects of the research were 30 MOOCs participants drawn randomly. The design of the MOOCs-based e-learning implementedhad following features. Those were a) Bahasa Indonesia content; b) responsive media interface that can be accessed from a variety of devices; c) the use of short duration video content to facilitate buffering process; d) the use of interactive multimedia content; e) the use of social learningprinciples through the feature of discussion forum; and f) the use of gamification principles through the provision of badges for participants. The results of this research indicate that MOOCs-based e-learning system has the potential to improve the equal access to higher education with severalindicators. First, the majority of participants are females. Second, the latest education of most users is high school or vocational high school. Last, most have been working as employees.
Metode Pembuatan Sorgum Sosoh Rendah Tanin pada Pembuatan Nasi Sorgum (Sorghum Bicolor L) Instan Amrinola, Wiwit; Widowati, Sri; Hariyadi, Purwiyatno
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 1 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i1.2280

Abstract

Sorghum is one of the non-rice commodities which have a relatively high content of nutrients, especially protein and carbohydrate. However, the nutritional value is to be down and relatively low due to the relatively high tannin content as an anti-nutrient. Fairly high tannin content in sorghum is also causing sorghumhas unpleasant taste and slightly bitter or "Sepet". Therefore, it is necessary to reduce the content of tannins in sorghum that is expected to improve the quality of nutrition, especially the increase in protein and starch digestibility and palatability or the flavor of sorghum products. The purpose of this study is to obtain the best method to lower tannin content in the manufacture of low-tannin sorghum milling, which will be used in the manufacture of instant rice sorghum. This research was done in two stages, namely 1) the timing of the millingstage and 2) the development stage of a method of making low-tannin sorghum milling by comparing the content of tannin reduction method with the immersion process in alkaline solution (NaOH 0.3% and 0.3% Na2CO3) and distilled water with the method of reducing tannin content without immersion process. The results of this study indicate that the best milling time that can produce milled sorghum with good physical sorghum is five minutes and the best immersion treatment that can lower the optimum tannin content is by immersing in 0.3%Na2CO3 solution for 24 hours. This method can reduce up to 77.46% tannin content.
Kerentanan yang Dapat Terjadi di Jaringan Komputer pada Umumnya Wajong, Andre M. R.
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.v3i1.2446

Abstract

The rapid development of computer technology allows ease of access, yet lurking threats. Security in computer networks are categorized into two, namely the physical and non physical security. Physical security is a security that is more likely to focus to all things physical. This type of security can be avoided by more careful guarding of the thieves’ threats by putting in locked places and so on. As with the non-physical security, the more important issue involved is such as data security where its physical value may be less important. Therefore, this article discussed the safety factor especially on a computer network, vulnerable points on the computer network, techniques often used on attacks and some things you can do to ward off them.
Building Learning Culture Towards A Learning Organization to Empower Employee’s Knowledge Maryani, Maryani; Donna, Marihut; Hapsari, Nilam
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.v1i2.2700

Abstract

This paper contains the application of knowledge management in PT Unilever to create a learning culture within the organization. Which consists of: knowledge sharing, informal sharing, online sharing and other sources. With the implementation of cultural sharing between employees, the module is already owned by PT Unilever as many as 250 modules. With the application of Knowledge Management PT Unilever awarded a global level, the Most Admired Knowledge Enterprise (MAKE) Award in the year 2005-2007 to the level of Indonesia and 2008 for the Asian level. In the end, knowledge-owned companies, creating a good performance by individuals or companies, and will create sustainable growth for the company. Sustainable growth is what is expected by the whole company in running its business activities. 

Page 12 of 159 | Total Record : 1585

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