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HENGKI TAMANDO SIHOTANG
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Jurnal Mantik
Published by Institute of Computer Science
ISSN : -     EISSN : 26854236     DOI : -
Core Subject : Economy, Science, Education,
Computer Science & IT Economics, Econometrics & Finance Languange, Linguistic, Communication & Media
Jurnal Mantik (Manajemen, Teknologi Informatika dan Komunikasi) is a scientific journal in information systems/informati containing the scientific literature on studies of pure and applied research in information systems/information technology,Comptuer Science and management science and public review of the development of theory, method and applied sciences related to the subject. Jurnal Mantik Penusa is published by Institute of Computer Science (IOCS). Editors invite researchers, practitioners, and students to write scientific developments in fields related to information systems/information technology,Comptuer Science and management science). Jurnal Mantik is issued 4 (FOUR) times a year.
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Articles 2,151 Documents
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Implementation of Wemos D1 Microcontroller to Monitor Water pH in Real Time at WWTP (Waste Water Treatment Plant) Based on Internet of Things Arif Siswandi; Fajar Sigit Srijati; A. Yudi Permana
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Industrial wastewater treatment must pay attention to the following points, including the volume of wastewater to be treated, the expected quality of the water resulting from the WTP process, the ease of wastewater management, energy sources, and low process operational costs. This study aims to reduce the process from wastewater sampling to laboratory analysis to obtain the results of monitoring the pH of the water. In this study, the authors make a WWTP automation system for monitoring pH that can be carried out in real time along with the development of industry 4.0. By using Wemos D1 which is integrated by the internet of things through the internet network from a Wi-Fi router. Data from pH monitoring results can be seen in real time through a user interface that is accessed via a smartphone or PC with a server and client distance of more than 50 meters. By using a real-time pH monitoring system, you can cut down the pH monitoring process and view monitoring results through the user interface.
Employee Performance Achievement Through application of principles “the right man in the right place” in organizational structure at the foundation miftahussalam islamic education Medan Henny Purnama Dewi
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Employees have a major role in every organizational activity, because employees become planners, actors, and determinants of the realization of organizational system goals. Organizational goals will be easier to achieve if employees are placed in positions that match their competencies. Therefore, it is very necessary to have a good organizational structure where in the organizational structure one of the management principles is applied, namely "The Right Man In The Right Place". This study aims to determine the effect of organizational structure on the performance of employees of the Miftahussalam Islamic Education Foundation Medan. Sampling technique using linear regression method and product moment correlation. This study also uses the determinant analysis technique to see the percentage of the contribution of the independent variable (X) in influencing the dependent variable (Y). Hypothesis testing was carried out using the -t test at a significant level of 0.05 for a two-way test at degrees of freedom (dk) = n-2. The independent variable used in this study is Organizational Structure (X) with 7 indicators, namely Division of Work Activities, Organizational Restructuring, evaluation of organizational structure, job placement, education level, work experience and employee skills. The dependent variable in this study is performance with 7 indicators, namely office equipment, work equipment, performance motivation, job description, leadership style, performance evaluation and cooperation. Based on the t-test,.
The Analysis Of Services Quality, Facilities And Infrastructure, And Their Effect On Consumer Loyalty In The New Normal (Case Study: Hospitality Industry In Banda Aceh) Indra Akbar; Ricky Ariansyah
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The purpose of this study is to analyze: (1) service quality, (2) facilities and infrastructure, (3) consumer satisfaction, and (4) its impact on consumer loyalty in the New Normal in Banda Aceh. The data collection method is a simple random sampling technique, with data analysis using path analysis. The samples are 120 respondents. The results of the analysis show that there is the direct influence of service quality (0.617) and facilities and infrastructure on consumer loyalty (0.372); the acquisition value is higher than the indirect effect of service quality on consumer loyalty with purchasing decisions as an intervening variable (0.026) and facilities and infrastructure on consumer loyalty with customer satisfaction as an intervening variable (0.010). The structural equations in this study are: Consumer satisfaction = 0.745 Service Quality + 0.281 facilities and infrastructure. Consumer loyalty = 0.035 Consumer satisfaction + 0.617 Quality of service + 0.372 facilities and infrastructure. From the results of the study, all variables show a very significant effect on consumer loyalty except for the variable of customer satisfaction on customer loyalty which was not significant. It means that every customer satisfaction will not necessarily lead to consumer loyalty.
Development of Drainage Status Prediction Model Based on Internet of Things and Long Short Term Memory Algorithm Ahmad Pahrul Rodji; Wargijono Utomo; Ali Khumaidi; Hudzaifah Al jihad
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The capacity of drainage can overflow due to inadequate conditions and high rainfall intensity. Several incidents in Bekasi City due to poor drainage resulted in inundation of water on the roads which resulted in damaged roads and flooding in residential areas. Several previous studies have discussed the evaluation of the drainage system using the analytical method hydrology in modeling water discharge. In most cases, the minimum capacity of the drainage canal is caused by the high intensity of rain, so the research focuses on the volume of drainage and the intensity of the rain. However, based on observations and interviews with the cleaning service, it turns out that many drainage channels are in a non-optimal condition, where there is a lot of garbage and sedimentation that hinders the flow of water when it rains. This study combines hydrological analysis modeling with drainage channel conditions whose real time data is obtained by using sensors through the internet of things (IoT). IoT devices have been able to send data well in the cloud, by combining rainfall data and then predictive modeling using RNN LSTM with training model parameters used are two layers and 20 cells with each layer given a Dropout layer with a probability of 10%. In the metric evaluation, four functions are used, namely mean squared error, Mean absolute, Nash-Sutcliffe Efficiency and Coefficient of Determination. The model has been able to see the occurrence of an increase or decrease in height and discharge. However, if you look at the results of metric calculations, the predictions generated by the model are not very good.
Prediction of Electricity Usage in The Food and Beverage Department Using Recurrent Neural Network Lukman Aditya; Wargijono Utomo; Ali Khumaidi; Rahmat Hidayat; Hudzaifah Al jihad
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The Food and Beverage (F&B) department is one of the sources of income for the company. F&B uses a variety of equipment and machines with large enough power consumption to support operations. F&B can be a disadvantage because of the wasteful use of electrical energy. This research designs and builds an Internet of Things (IoT) prototype that can monitor electricity usage in electrical equipment using sensors then from the data sent by the sensor and additional data predictions are made. The electrical equipment studied included walk-in chillers, blower wheels, exhaust fans, freezers, dishwashers, water heaters and under chillers. To build IoT devices, Arduino nano, AC Current Module, SIM 800L and humidity and temperature sensors are used. Prediction model built using RNN LSTM. IoT devices have succeeded in sending data well after cloud architecture. With 8 neurons in LSTM with lookback has the best performance. The error values ??for the test data are 51,085 and 18,886 for RMSE and MAE.
Economic Management in Improving the Financial Quality of Islam Azriadi Tanjung; Sriayu Aritha Panggabean
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Muslims are currently left behind in the economic field. This is what then causes various crises that if not immediately sought a solution will cause Muslims to be more backward. The research aims to analyze economic management in improving the financial quality of Muslims. This research uses a library study approach by analyzing various authoritative books and journals. The results of the penelitaina show that Muslims actually have a very large capital in terms of more independent economic development. Muslims have ZISWAF (zakat, infak, sedekah, and waqf) as a form of Islamic doctrinal teachings. The problem only needs good and reliable governance and in this case management science is the most important keyword that must be applied. In addition, it is necessary to empower the community for the sake of improved the quality of human resources that are more effective, especially in managing zakat.
The Effect of Product Quality, Responsiveness and Promotion on Customer Satisfaction at Pt Global Graha Sarana Abadi Jeffrey Jeffrey; Rosinta Romauli Situmeang; Christopher Christopher
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The research location was conducted at PT Global Graha Sarana Abadi. PT Global Graha Sarana Abadi is a company engaged in the retail trade of household electrical appliances and lighting equipment. At this time the company is experiencing a decline in customer satisfaction which can be seen from the complaints submitted to the company. In general, product quality is closely related to the product's ability to withstand durability and the ability of the product to carry out its functions. Responsiveness is the ability of employees to serve customers owned by employees. Fast and maximum service will be a separate assessment for employees in the company. Promotion is a product introduction process carried out by the company by providing certain benefits to prospective customers who will buy the product. The theoretical limitation will be limited through marketing management in product quality, responsiveness, promotion and customer satisfaction. This study uses a simple random sampling formula with the Slovin formula. With a population of 136 customers and 30 people to test the validity and a sample of 101 customers. Quantitative research was chosen as the data collection method. The analysis used in the form of multiple analysis methods, determination testing and testing simultaneously test (28,190 > 3.09) and partial test (2,779 > 1,984), (5,529 > 1,984) and (4.794 > 1,984). The results showed that product quality, responsiveness and promotion were positive and significant with a coefficient with a ratio of 44.9%.
Online Exam Application Study Using the Pieces Framework Method Freshtiya Beby Larasati; Lise Pujiastuti; Solikhun Solikhun
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

To find out the level of success in web-based or online implementation and have to do an evaluation. Evaluation is in the form of a reference or benchmark used in relation to the audit of the information system analysis method itself, by looking at the performance of a system quantitatively and qualitatively. The purpose of this study was to evaluate the level of success, efficiency, effectiveness, and company profits in implementing an online-based exam system conducted at the AMIK Tunas Bangsa Pematangsiantar campus. In providing analysis or evaluation of a system, it can be done with several analytical models. In this study, a model analysis framework will be used, namely by using the Pieces Framework method.
The Effect of Rewards, Incentives and Welfare Allowances on Employee Morale at PT. PNM (Independent National Capital) Binjai Lambok Manurung; Etty Harya Ningsi
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The research approach used is quantitative, this study uses a questionnaire as a data collection tool which is distributed to 80 employees. The results showed that the reward variable t arithmetic value was 4.227 < t table 1.665 with a significant 0.015 < 0.050, meaning that partially reward had a positive and significant effect on employee morale. The results showed that the Incentive variable t count 1.826 > t table 1.665 with a significant 0.072 > 0.050, meaning that partially the incentive variable had a positive but not significant effect on Employee Morale. The results showed that the Welfare Allowance value t count 2.728 > t table 1.665 with a significant 0.008 < 0.050, meaning that partially the Welfare Allowance variable has a positive and significant effect on Employee Morale. The results showed that the calculated F value was 47,127 with a significant level of 0.00. Because F count 47,127 > F table 2.72 and the significant probability is much smaller than 0.05, i.e. 0.000 < 0.05, the regression model can be said that Rewards, Incentives and Welfare Allowances simultaneously have a positive and significant effect on Employee Morale. While the adjusted R square is 0.637 or 63.7% of the variation in Employee Morale which can be explained by the independent variables Reward, Incentives and Welfare Allowances while the remaining 34.3% (100% - 95.3% = 34.3%) can be explained by other independent variables.
Sercob Application Design: IT Consultant in Overcoming Computer Problems in The Digital 4.0 Era Bakti Dwi Waluyo; Rivaldo Effendi; Andreas Pratama Partogu Hutabarat; Angga Koswara Malau; Deskristina Siregar; Dita Febiyan Pratiwi
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The use of computers in the digital era 4.0 is increasing rapidly; with the increasing use of computers, the problems experienced by computer users are also increasing. With the problems encountered by computer users, a computer service center is needed to solve computer user problems. SERCOB-IT functions as a platform that provides technicians and service points according to the location of computer users who experience computer problems. SERCOB-IT is a website-based application with an order-taking function and learning media related to laptop maintenance and information about laptops. Through the Independent Learning Activity Program for Merdeka Edupreneur Campus, the SERCOB-IT application has been launched and advertised through several offline and online social media. Therefore, it has the opportunity to become a new digital-based company.

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