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Sembiring, Nita
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Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice

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Analisis Model Keputusan Dengan Metode TOPSIS untuk Menilai Kualitas Air Minum Isi Ulang Sinaga, Mikha Dayan; Hardiyanti, Yeni; Sembiring, Nita; Haryanto, Edy Victor; Nababan, Labuan; Sianturi, Charles Jhony Mantho
CSRID (Computer Science Research and Its Development Journal) Vol. 17 No. 1 (2025): Februari 2025
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/csrid-.17.1.2025.20-32

Abstract

Water is one of the basic needs for every living thing, including humans. About three-quarters of our body consists of water and no one can survive more than 4-5 days without drinking water. Drinking water with clean quality is very important for the human body, because if the water drunk is not clean water, it will cause various diseases in the human body. Quality drinking water is very important for water depot businesses as one of the attractions in product marketing, if wrong in determining the quality of water, it will have an impact on decreasing marketing and sales of the business, so that business profits are not optimal. The problem that many drinking water depot business actors face today is the difficulty of determining suppliers of quality drinking water providers based on detection of drinking water quality so that the water produced is in accordance with health standards. The TOPSIS method (Technique for Order of Preference by Similarity to Ideal Solution) is one of the decision-making techniques that can be used to evaluate various alternatives based on predetermined criteria. The results of the study showed significant variations in the quality of refill drinking water among the samples tested. Based on the calculation using the TOPSIS method, Supplier A obtained the highest ranking with a preference score of 0.61493219, while Supplier 5 had the lowest ranking with a score of 0.16023232. This study emphasizes the importance of selecting a quality water provider and the need for stricter supervision from the government. The results of the study are expected to provide useful information for consumers and refill drinking water providers, as well as become a basis for further research in the field of water quality.
Rancang Bangun Website Promosi Pada Sapo Rumbia Villa and Cottage Sinaga, Mikha; Sembiring, Nita; Sianturi, Charles; Ginting, Erwin; Elisabeth, Noprita; Ramadhani, Ivo
Publikasi Pengabdian Masyarakat Vol 2 No 2 (2022): PUBLIDIMAS Vol. 2 No. 2 NOVEMBER 2022
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.v2i2.82

Abstract

Promotion is an important part of marketing goods and services. Promotions can contain information that can attract consumers' interest in the goods and services we offer. With the promotion, it is hoped that there will be an increase in sales figures for the product or service being promoted. Sapo Rumbia Villa and Cottage markets its villas and lodging rooms through social media such as Facebook and Instagram as well as online booking applications such as Oyo. Sapo Rumbia Villa and Cottage only contains information related to villas and lodging in the form of Facebook and Instagram page statuses, not through advertisements on the social media. The Oyo application only contains information related to lodging rooms and villas. The information provided is also very limited, only regarding the price and facilities in the room or villa. In fact, the natural scenery around Sapo Rumbia Villa and Cottage is very beautiful to look at. Sapo Rumbia Villa and Cottage is surrounded by Gundaling Hill, local people's plantations, and beautiful views of Mount Sibayak. The community service activities carried out have the aim of promoting Sapo Rumbia Villa and Cottage and providing information related to Sapo Rumbia Villa and Cottage to the wider community. This activity also has several benefits, namely helping the management in promoting their villas and inns, making it easier for the public to obtain information related to Sapo Rumbia Villas and Cottages, and increasing Sapo Rumbia's income from the promotions that have been made. The result of this activity is to add promotional media for Sapo Rumbia Villa and Cottage, so that it can increase public knowledge of the natural beauty around Sapo Rumbia Villa and Cottage which can add positive value to Sapo Rumbia Villa and Cottage.
Pelatihan Penggunaan Microsoft Excel Dalam Membuat Laporan Keuangan di Sapo Rumbia Villa & Cottage Sembiring, Nita; Sinaga, Mikha; Nainggolan, Yosephine; Noprita Elisabeth Sianturi
Publikasi Pengabdian Masyarakat Vol 3 No 1 (2023): PUBLIDIMAS Vol. 3 No. 1 MEI 2023
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.v3i1.158

Abstract

Sapo Rumbia Villa and Cottage does not yet have a computerized system for managing daily and monthly financial reports. Sapo Rumbia Villa and Cottage still uses paper media in making financial reports, this causes the financial reports owned by Sapo Rumbia Villa and Cottage to be irregular. Sapo Rumbia Villa and Cottage also does not know how much their monthly expenses and income are. The paper media used to record financial statements is also vulnerable to several things, such as getting wet, torn, dirty, and also burning. The preparation of financial statements is basically used to provide information about the condition of an entity that will be useful to the majority of users of financial statements and to meet the needs of internal and external parties of an entity. At present, financial reports have been compiled in digital form so that it can make it easier for business people to view and check the financial reports of the business units they own. Financial reports made in digital form can be processed easily by users. In addition, financial reports that are created digitally can also be stored properly because they do not require a physical form, can be duplicated quickly, and can be accessed from various gadgets. Based on some of the problems described above, the servant wants to carry out a community service activity at Sapo Rumbia Villa and Cottage. The activities carried out are training on the use of Microsoft Excel in managing financial reports.
Peningkatan Pemahaman Pegawai Kecamatan Dolat Rayat Terkait Aplikasi CapCut Melalui Pendampingan Pembuatan Video Dokumentasi Sembiring, Nita; Sinaga, Mikha Dayan; Manurung, Marlina; Sianturi, Charles Jhony Mantho; Ginting, Erwin
Publikasi Pengabdian Masyarakat Vol 4 No 2 (2024): PUBLIDIMAS Vol. 4 No. 2 NOVEMBER 2024
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.v4i2.397

Abstract

The rapid development of information technology, especially in the field of multimedia, has changed the way we communicate and document various activities. The use of video as a means of documentation is now the main choice in conveying information, both in the personal sphere and government agencies. Dolat Rayat District, like many other districts, often carries out various activities and programs that involve the community. Some examples of activities that are often carried out include social events, community meetings, seminars, and infrastructure development projects. For the purpose of reporting and promoting these activities, good and easily accessible documentation is very important. The use of CapCut for making video documentation is very relevant because this application is available for free and easily accessible via mobile devices that are generally owned by district employees. In addition, the features in this application greatly support the creation of professional video documentation, although it does not require high video editing skills. However, most employees of Dolat Rayat District still do not master the techniques and understanding needed to make maximum use of this application. Through this assistance, it is hoped that there will also be an increase in employee capacity in utilizing technology to support their duties and responsibilities, as well as improving the quality of communication and reporting at the government level.
Optimalisasi Pengelolaan M2 Homestay Melalui Pelatihan Excel dan Digitalisasi Laporan Usaha Penginapan Sembiring, Nita; Ginting, Erwin; Sinaga, salsa; Sianturi, Charles; Fauzi, Muhammad; Yudi, Yudi
Publikasi Pengabdian Masyarakat Vol 5 No 1 (2025): PUBLIDIMAS Vol. 5 No. 1 MEI 2025
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The growth of the local tourism sector has encouraged the development of accommodation businesses such as homestays, including M2 Homestay, which is located in a strategic tourist area. However, the management of this homestay is still carried out conventionally, especially in terms of financial recording and business reporting, which are manually done and often inefficient. A lack of digital literacy is one of the main obstacles to implementing a technology-based management system. To address this issue, this community service program aimed to provide practical training in the use of Microsoft Excel and assist in the digitalization of business reports for the management of M2 Homestay. The implementation methods included direct training, the development of digital report templates, and hands-on assistance with the application of Excel-based recording systems. The results showed that the homestay manager gained basic skills in using Excel for business needs, including daily financial tracking, room occupancy records, and monthly reporting through visual graphs. The program had a noticeable impact, such as improved time efficiency in report preparation, greater accuracy in data recording, enhanced professionalism in business management, and increased awareness of the importance of digital tools in supporting business sustainability. This initiative demonstrates that simple technological interventions can significantly strengthen small tourism-based enterprises.
Smart Assistive Stick with Arduino and Multidirectional Ultrasonic Sensors for Intelligent Obstacle Detection and Navigation Sinaga, Mikha; Ibrahim, Ayub; Sembiring, Nita
CogITo Smart Journal Vol. 11 No. 2 (2025): Cogito Smart Journal
Publisher : Fakultas Ilmu Komputer, Universitas Klabat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31154/cogito.v11i2.886.311-322

Abstract

Blindness or visual impairment restricts spatial awareness and increases the risk of collisions, falls, and mobility challenges. This study presents the design and development of a Smart Assistive Stick with Arduino and multidirectional ultrasonic sensors for intelligent obstacle detection and navigation. Unlike conventional white canes that provide only short-range tactile feedback, the proposed system employs multidirectional sensing to detect obstacles from various directions within a range of 0.1 to 4 meters. Intelligent feedback is delivered through both haptic and auditory signals, with an average response delay of only 200 ms, ensuring timely and reliable navigation assistance. Testing showed detection accuracy exceeding 85%, continuous battery life of 6–8 hours, and a total device weight of 600 grams, making it lightweight and suitable for daily use. While performance decreases in noisy environments due to ultrasonic interference, the system demonstrates novelty in extending detection range, incorporating multidirectional sensing, and providing intelligent real-time feedback. These contributions establish the smart assistive stick as a more effective and user-friendly mobility aid compared to traditional solutions. 
Co-Authors Charles Jhony Mantho Sianturi, Charles Jhony Mantho Edy Victor Haryanto, Edy Victor Elisabeth, Noprita Ginting, Erwin Hardiyanti, Yeni Ibrahim, Ayub Indradewa, Rhian Manurung, Marlina Nababan, Labuan Nainggolan, Yosephine Noprita Elisabeth Sianturi Ramadhani, Ivo Sianturi, Charles Sinaga, Mikha Sinaga, Mikha Dayan Sinaga, salsa Yudi Yudi