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All Journal JURTEKSI Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal JOURNAL OF SCIENCE AND SOCIAL RESEARCH Building of Informatics, Technology and Science Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknik Informatika (JUTIF) Jutsi: Jurnal Teknologi dan Sistem Informasi J-Com (Journal of Computer) Jurnal Ipteks Terapan : research of applied science and education Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat
Rohminatin Rohminatin
Sekolah Tinggi Manajemen Informatika Dan Komputer Royal
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Journal : Jurnal Teknik Informatika (JUTIF)

 1 
FORECASTING OF YAMAHA MOTORCYCLE SALES USING THE WEIGHTED MOVING AVERAGE (WMA) WEB-BASED Juli Mayani Syahputri Hasibuan; Raja Tama Andri Agus; Rohminatin
Jurnal Teknik Informatika (Jutif) Vol. 3 No. 2 (2022): JUTIF Volume 3, Number 2, April 2022
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jutif.2022.3.2.216

Abstract

UD Dunia Sakti Kisaran is a business engaged in the sale of Yamaha motorcycles. Existing activities in the company include stock purchase transactions and sales transactions. The problem that occurs in the company is that stock purchase transactions often have difficulty in determining how much stock to buy for the next period. This results in frequent shortages of stock or even a lot of stock remaining so that it cannot meet customer needs and the accumulation of goods in the warehouse for a long period of time. Sales predictions made by the company are only based on estimates, resulting in increased storage in the warehouse, and increased maintenance costs. To meet consumer needs, the company has not used a mathematical model in estimating the amount of demand for Yamaha motorcycles in the future. Problems like this make activities at UD Dunia Sakti Kisaran less effective in the process of selling and buying stock. To overcome this, a forecasting system is made using the web-based Weighted Moving Average (WMA) method using the PHP programming language and MySQL database. The forecasting system that is designed can provide convenience in forecasting sales of Yamaha motorcycles at UD Dunia Sakti Kisaran in the coming period using the Weighted Moving Average method. By using the WMA method, the average error results obtained for the types of Yamaha NMAX, VIXION, LEXI, XSR, FREEGO and GEAR motorcycles are with an error rate or MAPE value ranging from 19.22%-31.11%, meaning that the model's capability the resulting forecast is feasible/adequate.
THE USE OF THE DEMPSTER SHAFER METHOD FOR DIAGNOSIS OF VULVOVAGINITIS Sarah Indriani; Adi Prijuna Lubis; Rohminatin
Jurnal Teknik Informatika (Jutif) Vol. 3 No. 3 (2022): JUTIF Volume 3, Number 3, June 2022
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jutif.2022.3.3.192

Abstract

There are so many diseases caused by the female sex organs, one of which is vulvovaginitis. People's ignorance about the existence of Vulvovaginitis disease makes them not know the cause of this disease and how to prevent this disease and provide the right solution to deal with this disease. The purpose of this research is to build and design an expert system application to diagnose vulvovaginitis in women and to find out the right solution for vulvovaginitis in women based on the symptoms experienced by using the Dempster Shafer method. For calculations using the Dempster Shafer method, a measurement is carried out, each phenomenon is translated into several problem components, variables and indicators. Each determined variable is measured by providing numerical symbols, assigning a weight value (Belief, Plausibility) for each symptom in vulvovaginitis disease and mathematical calculation techniques can be carried out to diagnose vulvovaginitis disease for a symptom, so as to produce a generally accepted conclusion in a parameter. The result of this study is that the application of an expert system for diagnosing vulvovaginitis can identify the disease and symptoms of vulvovaginitis with the Dempster Shafer method by calculating the trust value of an expert on the symptoms entered. It is hoped that this research will help the public to find out Vulvovaginitis in women and provide the right solution to overcome it.
APPLICATION OF CUSTOMER RELATIONSHIP MANAGEMENT (CRM) TO INCREASE SALES AT UD ULONG PIAN mutiara tiara; Havid Syafwan Havid; rohminatin iroh
Jurnal Teknik Informatika (Jutif) Vol. 3 No. 3 (2022): JUTIF Volume 3, Number 3, June 2022
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jutif.2022.3.3.238

Abstract

The development of the business world has entered a new era, where more and more new companies and competing companies in the service,commerce,and manufacturing sectors. The higher the level of customer education, the indirectly the customer will be critical and careful in determining his choice. In this situation, the company should not only rely on the products produced, but the company must also establish a good relationship to every loyal customer then the customer will be loyal to the company. UD Ulong Pian is engaged in sales and services such as the sale of sewing or convection tools, fabrics, home décor equipment and the sale of café tents or tent making services in accordance with customer demand. The problem that occurs in UD Ulong Pian is, the sales process at UD Ulong Pian is still selling conventionally, there are no facilities that help customers to get information, convey assessments of products and also have difficulty in the process of processing and storing customer data that has made buying and selling transactions. This research leverages CRM features that aim to help ud Ulong Pian's service systems attract new customers and retain old customers and expand the sales system. The application is created using php and MySQL programming languages as a database server. With this system is expected to improve the marketing system, sales, service and utilization of Customer Relationship Management has a positive influence on customer loyalty so as to keep customers loyal to UD Ulong Pian.
IMPLEMENTATION OF DECISION SUPPORT SYSTEM WITH SMART METHOD IN GIVING RECOMMENDATIONS FOR DETERMINING THE BEST HANDPHONE Nursucika Hasanah; William Ramdhan; Rohminatin
Jurnal Teknik Informatika (Jutif) Vol. 3 No. 3 (2022): JUTIF Volume 3, Number 3, June 2022
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jutif.2022.3.3.248

Abstract

During this pandemic, the need for mobile phones is increasing, especially in education. However, social circles are also increasing because all activities are mostly on cellphones. The many types of cellphones at this time have resulted in many consumers who are confused about buying a cellphone according to what they want. In addition, there are also consumers who want a cellphone with high / good specifications but at an affordable price. In the sale of cellphones, it was found that consumers had difficulties with the desired product, namely the many types of cellphones with the latest specifications, consumers wanted cellphones with good specifications and low prices. Then a decision-making system was made at the Joint Celluler store to assist in determining the best cellphone according to consumer needs. The research method used in this study is a quantitative research method by applying the SMART (Simple Multi Attribute Rating Technique) method of SPK, which is a multi-attribute decision-making method. This multi-attribute decision-making technique is used to support decision-makers in choosing between several alternatives. Therefore, a Decision Support System was built to determine the best cellphone so that the process of selecting a cellphone is more effective and makes it easier for consumers to get the cellphone they want. So that the application of the SMART method is able to produce decisions that are free from leadership interference in the selection of the best cellphone and will be more objective.
Co-Authors Ada Udi Firmansyah Ade Irma Suriya Ningsih Ade Mayhaky Adi Prijuna Lubis Adnan Fauzi Ahmad Muhazir Andri Nata Apriaji Kurniawan Dwi Agus Wita Endra Saputra Fikri Akbar Sitompul Guntur Maha Putra Havid Syafwan Helmiah, Fauriatun Irfan Abadi Saragih Irianto Irianto Juli Mayani Syahputri Hasibuan Kifti, Wan Mariatul Masitah Handayani Maulana Dwi Sena Muhammad Ardiansyah Sembiring mutiara tiara Niki Fazira Nisa Novriani Nur Madani Putri Siregar Nursucika Hasanah Nurul Rahmadani Nurwati Nurwati Pristiyanilicia Putri Putri Wulandari Rahayu, Elly Raja Tama Andri Agus Rian Bariadi Risnawati Risnawati Rolly Yesputra Roni Dalimunthe Santoso Santoso Sarah Indriani Siti Ramadani Suci Andriyani Sulaseh Sulaseh Sutrisman Sutrisman William Ramdhan Yessica Siagian Zulfi Azhar